Buscar

2. neurobiologia da depressão

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes
Você viu 3, do total de 6 páginas

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes
Você viu 6, do total de 6 páginas

Prévia do material em texto

�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
!
"
#
$
%
&
'
"
$
'
(
)
*
"
)
%
%
+
,
'
-
#
+
'
"
.
!
/
0
1
 
!
"
#
$
%
&
'
"
$
'
(
+
%
&
2
-
+
3
'
 
!
"
#
$
%
&
'
"
$
'
(
)
*
"
)
%
%
+
,
'
%
)
-
)
%
*
)
3
+
4
+
3
#
5
6
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
!
"
#
$
%
&
'
"
$
'
7
+
*
'
8
#
"
9
 
!
"
#
$
%
&
'
"
$
'
7
+
*
'
8
#
"
9
9
 
!
"
#
$
%
&
'
"
$
'
3
+
3
8
'
&
2
-
+
3
'
 
!
"
#
$
%
&
'
"
$
'
7
+
*
'
8
#
"
%
)
-
)
%
*
)
3
+
4
+
3
#
5
6
'
:
;
�
�
�
�
 
!
"
#
$
%
&
'
"
$
'
(
)
<
=
-
'
"
(
)
,
+
(
'
#
=
-
#
3
'
$
(
+
5
6
'
-
>
(
+
3
#
?
)
"
#
8
 
!
"
#
$
%
&
'
"
$
'
(
)
<
=
-
'
"
+
$
(
=
@
+
(
'
*
'
"
%
=
7
%
&
A
$
3
+
#
 B
C
D
E
F
G
E
H
I
J
K
L
K
M
O
P
P
P
Q
B
R
S
T
U
V
W
X
R
Y
S
U
Z
C
X
S
X
R
W
X
R
Y
S
[
D
S
U
\
S
[
V
]
D^
U
X
S
[
B
R
W
V
_
Z^
_
W`
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
a
*
"
+
$
3
+
*
#
8
%
=
7
(
+
,
+
%
6
'
>
)
$
&
"
)
(
)
*
"
)
%
%
6
'
-
#
+
'
"
)
(
+
%
&
+
-
+
#
b
c
%
3
"
+
&
>
"
+
'
%
(
+
#
?
$
d
%
&
+
3
'
%
(
)
%
%
#
%
)
$
&
+
(
#
(
)
%
+
$
3
8
=
)
-
e
f
b
<
=
-
'
"
(
)
*
"
+
-
+
(
'
#
-
#
+
'
"
*
#
"
&
)
(
'
&
)
-
*
'
g
$
#
-
#
+
'
"
+
#
(
'
%
(
+
#
%
h
i
b
(
+
-
+
$
=
+
5
6
'
-
#
"
3
#
$
&
)
$
'
+
$
&
)
"
)
%
%
)
'
=
*
"
#
@
)
"
)
-
&
'
(
#
%
g
'
=
j
=
#
%
)
&
'
(
#
%
g
#
%
#
&
+
,
+
(
#
(
)
%
.
#
$
)
(
'
$
+
#
1
h
k
b
#
=
-
)
$
&
'
'
=
(
+
-
+
$
=
+
5
6
'
-
#
"
3
#
(
'
%
(
)
*
)
%
'
'
=
#
*
)
&
+
&
)
h
l
b
+
$
%
m
$
+
#
'
=
<
+
*
)
"
%
m
$
+
#
j
=
#
%
)
&
'
(
'
%
'
%
(
+
#
%
h
n
b
#
?
+
&
#
5
6
'
'
=
"
)
&
#
"
(
'
*
%
+
3
'
-
'
&
'
"
j
=
#
%
)
&
'
(
'
%
'
%
(
+
#
%
h
o
b
4
#
(
+
?
#
'
=
4
#
8
&
#
(
)
)
$
)
"
?
+
#
j
=
#
%
)
&
'
(
'
%
'
%
(
+
#
%
h
p
b
%
)
$
&
+
-
)
$
&
'
%
(
)
(
)
%
,
#
8
'
"
+
@
#
5
6
'
'
=
3
=
8
*
#
)
q
3
)
%
%
+
,
#
h
r
b
(
+
-
+
$
=
+
5
6
'
$
#
<
#
7
+
8
+
(
#
(
)
(
)
3
'
$
3
)
$
&
"
#
5
6
'
(
'
*
)
$
%
#
-
)
$
&
'
h
s
b
*
)
$
%
#
-
)
$
&
'
%
"
)
3
'
"
"
)
$
&
)
%
(
)
-
'
"
&
)
'
=
+
(
>
+
#
%
'
=
&
)
$
&
#
&
+
,
#
%
(
)
%
=
+
3
2
(
+
'
b
c
(
+
#
?
$
d
%
&
+
3
'
(
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
"
)
j
=
)
"
#
*
"
)
%
)
$
5
#
(
'
%
%
+
$
&
'
-
#
%
f
)
t
'
=
i
)
-
#
+
%
'
$
u
-
)
"
'
$
)
3
)
%
%
v
"
+
'
(
'
%
%
+
$
&
'
-
#
%
k
#
s
*
#
"
#
*
)
"
4
#
@
)
"
=
-
&
'
&
#
8
(
)
n
%
+
$
&
'
-
#
%
g
3
'
-
(
=
"
#
5
6
'
-
2
$
+
-
#
(
)
i
%
)
-
#
$
#
%
b
w
v
#
�
�
�
�
�
�
�
�
$
)
3
)
%
%
+
&
#
(
#
*
"
)
%
)
$
5
#
3
"
m
$
+
3
#
.
-
2
$
+
-
'
(
)
i
#
$
'
%
1
(
)
<
=
-
'
"
(
)
*
"
+
-
+
(
'
)
-
#
+
%
g
*
)
8
'
-
)
$
'
%
g
(
'
+
%
(
'
%
%
)
?
=
+
$
&
)
%
%
+
$
&
'
-
#
%
e
f
b
#
8
&
)
"
#
5
6
'
(
'
#
*
)
&
+
&
)
h
i
b
+
$
%
m
$
+
#
'
=
<
+
*
)
"
%
m
$
+
#
h
k
b
4
#
(
+
?
#
'
=
4
#
8
&
#
(
)
)
$
)
"
?
+
#
h
l
b
7
#
+
q
#
#
=
&
'
x
)
%
&
+
-
#
h
n
b
(
+
4
+
3
=
8
(
#
(
)
%
(
)
3
'
$
3
)
$
&
"
#
5
6
'
'
=
(
)
&
'
-
#
"
(
)
3
+
%
y
)
%
h
o
b
%
)
$
&
+
-
)
$
&
'
%
(
)
(
)
%
)
%
*
)
"
#
$
5
#
b
 �
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
z
'
�
�
�
�
�
'
3
'
"
"
)
=
-
'
=
-
#
+
%
)
*
+
%
d
(
+
'
%
-
#
$
2
#
3
'
%
'
=
-
+
%
&
'
%
b
{
"
)
j
|
)
$
&
)
-
)
$
&
)
g
&
#
-
7
>
-
#
*
#
"
)
3
)
-
)
*
+
%
d
(
+
'
%
(
)
*
"
)
%
%
+
,
'
%
-
#
+
'
"
)
%
b
w
v
'
�
�
�
�
�
�
3
#
"
#
3
&
)
"
+
@
#
x
%
)
*
)
8
#
'
3
'
"
"
}
$
3
+
#
(
)
)
*
+
%
d
(
+
'
%
(
)
*
"
)
%
%
+
,
'
%
-
#
+
'
"
)
%
g
3
'
-
*
)
8
'
-
)
$
'
%
=
-
)
*
+
%
d
(
+
'
<
+
*
'
-
#
$
2
#
3
'
b
a
3
+
3
8
'
&
+
-
+
#
>
3
#
"
#
3
&
)
"
+
@
#
(
#
*
'
"
#
8
&
)
"
#
5
6
'
3
"
m
$
+
3
#
)
4
8
=
&
=
#
$
&
)
(
'
<
=
-
'
"
g
3
'
-
$
=
-
)
"
'
%
'
%
)
*
+
%
d
(
+
'
%
(
)
%
+
$
&
'
-#
%
(
)
<
+
*
'
-
#
$
+
#
'
=
(
)
*
"
)
%
%
6
'
g
j
=
)
$
6
'
3
<
)
?
#
-
#
*
"
)
)
$
3
<
)
"
'
%
3
"
+
&
>
"
+
'
%
(
)
)
*
+
%
d
(
+
'
%
-
#
$
2
#
3
'
%
'
=
(
)
*
"
)
%
%
+
,
'
%
-
#
+
'
"
)
%
b
�
 �
�
�
�
�
�
	
�
�
	
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
!
�
�
�
�
�
�
�
�
 
�
"
#
$
�
�
�
�
�
�
%
�
&
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
'
�
�
�
'
�
�
�
�
�
(
)
�
�
�
�
'
�
�
'
�
�
�
�
�
�
�
�
�
�
*
�
!
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
+
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
%
,
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
-
�
�
�
�
(
.
�
,
�
�
�
�
�
/
�
,
�
�
�
0
�
&
�
�
1
�
�
�
�
�
%
�
�
.
�
2
�
�
3
�
 
�
�
�
�
�
�
�
4
5
4
5
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
&
�
�
�
�
�
�
�
�
-
�
�
�
�
'
�
�
�
'
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
 
�
�
�
(
�
�
�
�
�
3
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
%
+
,
�
'
�
�
�
�
�
�
 
�
�
�
�
�
�
!
�
�
 
�
'
�
�
'
�
�
�
6
5
�
7
5
$
�
�
'
8
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
%
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
�
�
,
�
�
�
 
�
'
�
3
8
�
�
�
�
�
 
*
�
�
�
(
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
�
�
 
�
�
9
�
:
�
�
�
�
�
'
�
�
;
�
�
 
�
�
�
�
%
 
�
�
�
&
<
�
�
'
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
%
+
,
�
'
�
�
3
�
�
�
�
'
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
%
 
�
�
�
&
<
�
�
�
�
8
�
�
�
�
�
�
-
�
%
-
�
�
�
�
�
�
�
�
 
�
9
�
%
�
�
�
�
�
3
 
�
�
�
 
�
0
�
3
�
�
�
 
�
�
3
�
�
�
=
�
�
�
3
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
;
�
�
�
%
 
�
�
�
&
<
�
�
�
�
�
'
�
�
�
�
�
*
 
�
'
�
�
3
�
,
�
�
-
�
�
�
�
�
�
�
�
�
 
�
-
�
�
�
�
�
'
�
�
�
�
�
�
(
>
�
�
�
 
�
�
 
�
3
�
�
�
�
�
-
�
�
�
�
'
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
-
�
�
3
�
�
'
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
%
�
�
'
�
�
 
�
'
�
�
�
�
 
�
�
�
�
%
�
'
�
�
�
�
�
�
�
'
�
�
�
 
�
�
9
�
%
8
�
�
�
'
�
�
�
-
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
%
,
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
-
�
�
�
�
3
�
�
�
�
�
'
�
�
�
�
&
�
�
�
�
�
�
%
 
�
�
(
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
�
�
�
�
 
�
�
�
�
�
&
�
�
�
�
-
*
�
�
�
�
(
?
�
 
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
'
�
%
+
,
�
'
�
�
3
�
�
'
%
�
�
�
�
�
�
-
�
�
 
�
�
�
�
 
�
�
�
�
�
�
 
�
�
3
'
�
�
�
�
�
�
9
%
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
3
�
�
�
'
+
�
�
�
�
3
9
�
�
,
�
�
3
�
�
�
�
�
�
&
<
�
�
'
�
�
;
�
,
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
?
!
�
�
 
�
 
�
�
9
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
�
�
,
�
�
�
 
�
'
�
8
�
�
�
�
�
 
*
�
�
�
3
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
'
�
%
+
,
�
'
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
(
1
�
�
 
�
�
 
�
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
�
�
'
�
�
�
%
�
�
�
 
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
,
�
�
�
�
�
%
�
0
�
�
�
3
�
�
�
�
�
�
�
 
�
�
�
�
�
�
'
�
�
�
�
�
@
�
�
�
�
�
�
�
�
�
(
?
!
�
�
 
�
�
�
�
'
�
�
!
�
�
 
A
�
'
�
�
�
�
 
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
3
�
�
�
�
�
�
�
'
�
�
�
�
�
�
 
�
�
�
�
'
�
�
�
�
9
�
�
�
�
�
(
/
�
�
 
�
�
�
�
�
�
�
 
�
�
�
%
�
�
�
 
�
-
�
&
�
�
�
�
�
�
!
�
8
�
�
�
 
*
%
�
�
�
B
8
�
�
+
�
�
�
�
B
�
�
�
�
�
�
%
3
�
�
�
�
0
�
�
�
�
�
%
�
9
�
�
�
&
�
�
�
�
,
%
�
'
�
'
�
�
 
�
'
+
�
�
�
�
(
�
%
�
9
�
�
�
&
�
�
�
�
,
%
�
'
�
'
�
�
 
�
'
+
�
�
�
�
�
�
�
!
'
�
�
�
�
 
�
�
�
�
�
�
 
�
�
�
�
%
�
 
�
�
�
�
�
�
�
�
�
�
 
�
�
�
%
:
�
9
�
'
�
3
�
�
�
 
�
'
�
%
�
�
�
�
�
 
�
�
�
8
�
�
�
'
�
�
�
�
3
�
�
�
�
�
�
 
�
�
�
 
�
��
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
'
�
�
 
�
�
�
�
�
�
�
�
,
%
�
'
�
'
�
�
 
�
'
+
�
�
�
�
(
C
�
�
�
�
�
D
�
�
 
�
�
�
�
 
�
3
�
�
�
&
<
�
�
�
�
�
�
�
%
+
,
�
'
�
�
3
�
�
�
�
�
%
+
,
�
'
�
�
�
'
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
9
�
�
�
-
�
�
�
�
3
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
 
�
�
'
�
�
3
�
�
'
%
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
 �
E
�
�
�
�
F
�
G
�
�
H
�
�
�
�
I
�
�
�
I
�
�
�
�
�
F
	
I
�
J
�
�
.
�
�
-
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
%
�
�
�
�
�
�
'
�
&
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
 
�
-
�
�
(
)
�
�
�
�
%
�
�
3
�
�
�
�
�
�
 
�
,
�
3
�
�
,
�
�
�
�
�
�
�
9
�
�
�
�
,
�
�
�
�
�
�
�
�
�
 
�
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
�
 
�
�
%
�
�
�
 
�
3
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
 
�
-
�
�
�
�
,
�
�
�
�
�
�
'
%
�
�
�
�
�
�
'
�
&
�
�
�
�
�
�
�
�
'
�
�
 
�
�
�
6
�
�
�
�
&
�
�
'
�
�
 
�
!
 
�
�
�
-
�
�
�
�
�
�
�
1
�
�
�
�
%
?
�
 
�
 
:
�
 
�
'
�
�
K
�
�
,
�
+
�
 
�
'
�
�
�
�
K
�
�
�
&
�
�
1
�
�
 
�
�
�
3
�
�
9
%
�
'
�
�
�
�
�
%
�
�
�
�
�
'
�
�
&
�
�
L
�
�
�
�
�
*
 
�
�
'
�
�
�
�
�
�
'
�
�
�
M
K
.
1
B
N
O
B
P
Q
R
�
L
�
3
4
5
5
5
S
M
P
�
9
�
%
�
N
S
(
 
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
"
�
�
�
#
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
%
�
�
�
�
�
�
�
�
�
�
#
�
�
�
!
�
&
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
�
�
�
�
'
�
�
�
�
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
+
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
"
�
*
�
�
�
�
�
�
%
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
!
�
&
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
 
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
��
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
(
$
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
0
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
1
�
�
�
�
�
2
!
�
3
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
0
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
5
6
7
8
4
7
9
:
;
�
,
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
<
=
>
?
�
�
�
�
�
�
�
�
�
�
�
�
@
�
�
�
�
 
�
�
 
�
�
A
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
B
C
D
7
6
;
F
7
6
D
G
H
;
I
5
J
7
D
K
L
G
F
D
7
:
5
:
G
M
;
M
M
7
6
F
5
4
7
N
5
:
G
9
N
7
9
:
O
;
9
7
4
5
7
P
G
M
:
Q
L
L
G
9
F
5
J
R
7
4
5
N
7
J
6
7
S
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
,
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
,
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
T
)
,
3
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
U
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
V
�
�
�
�
�
�
�
U
�
�
�
�
�
�
�
<
=
W
<
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
?
-
X
Y
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
?
-
X
Y
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
U
�
�
�
Z
�
�
�
�
�
�
�
�
�
<
=
=
[
�
�
�
�
�
0
�
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
\
,
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
X
�
]
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
 
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
,
�
?
-
X
Y
�
\
,
'�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
,
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
0
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
!
�
"
�
 
�
�
#
�
�
 
�
�
�
!
�
�
�
 
�
$
 
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
!
�
�
�
�
&
�
�
%
�
 
�
!
�
�
�
'
�
 
!
"
�
�
�
�
�
�
�
(
$
�
%
�
�
�
�
�
"
�
 
�
 
�
�
�
)
�
"
�
�
 
�
�
�
�
�
$
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
$
�
�
�
%
�
!
�
�
�
�
�
�
�
!
�
%
*
#
�
%
�
�
+
,
�
�
�
�
�
�
(
$
�
%
�
�
�
#
�
%
�
 
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
.
/
0
1
2
�
�
�
�
�
$
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
-
.
/
0
1
1
2
�
&
�
�
�
 
�
�
�
�
�
�
$
�
�
�
�
�
�
�
$
�
"
 
�
�
�
�
�
!
�
�
�
�
"
�
�
!
�
�
�
 
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
%
�
 
�
�
$
"
�
�
�
�
)
�
"
�
�
�
�
�
�
�
�
�
!
�
�
�
�
&
�
+
3
�
%
�
�
�
�
�
�
.
/
0
1
1
�
�
!
�
"
�
 
�
�
#
�
�
 
�
!
�
�
�
$
4
�
�
�
�
�
"
�
"
�
�
�
�
#
�
�
�
�
�
�
�
�
$
 
"
�
�
�
�
�
$
 
%
$
�
�
�
+
�
�
�
�
�
�
�
�
�
*
�
$
�
�
�
�
�
"
 
�
�
�
�
�
�
 
�
$
�
�
%
5
!
�
�
�
�
�
%
�
�
�
�
�
�
�
�
 
�
�
$
6
3
7
+
3
�
�
�
�
�
�
�
�
�
$
 
�
�
�
�
�
*
�
$
�
!
�
�
�
�
�
�
8
�
 
�
4
�
�
�
�
�
!
�
�
�
�
�
"
�
"
�
"
�
�
�
�
�
8
�
 
�
4
�
�
�
�
�
!
�
�
�
�
�
"
�
"
�
%
$
�
�
�
�
$
8
�
�
�
�
�
4
�
�
�
�
�
�
%
�
 
$
 
�
"
�
"
�
"
�
�
�
�
�
$
 
%
$
�
�
�
+
,
�
"
�
"
�
%
$
�
�
�
�
�
�
9
�
�
�
�
%
�
�
�
�
%
�
 
 
�
�
�
�
�
#
�
%
�
:
�
%
�
�
�
�
�
�
�
%
�
�
%
�
�
�
�
"
%
�
 
!
�
�
�
�
�
�
�
�
"
�
"
�
"
�
�
�
�
�
�
$
�
�
;
�
�
�
�
�
�
�
*
�
$
�
�
%
�
 
$
 
�
�
$
�
$
�
�
%
5
!
�
�
�
�
�
�
"
�
"
�
%
$
�
�
�
�
!
�
�
�
�
�
�
�
 
$
 
�
�
�
�
$
�
&
�
�
�
�
*
�
�
�
�
�
�
�
.
/
0
1
1
�
%
�
�
�
�
(
<
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
!
�
�
�
�
&
�
�
�
(
$
�
�
�
�
�
�
*
�
$
�
�
(
$
�
�
!
�
�
�
�
�
�
�
 
8
�
 
�
4
�
�
�
�
�
!
�
�
�
�
�
"
�
"
�
"
�
�
�
�
+
1
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
$
�
(
$
�
�
�
 
$
 
�
!
�
�
�
�
�
!
�
�
�
�
&
�
�
�
�
=
�
�
%
�
!
�
�
�
�
&
�
�
�
�
�
�
�
�
"
�
�
�
�
�
�
!
�
�
�
�
&
�
�
!
�
�
�
�
�
"
%
�
�
�
�
�
&
�
�
�
!
�
�
�
�
�
�
 
)
=
 
�
�
�
�
�
�
�
�
�
&
�
�
�
�
 
)
�
�
�
�
�
%
�
 
%
�
�
�
�
�
�
�
�
*
�
$
�
�
�
�
�
�
�
(
$
�
�
�
�
�
�
�
�
�
!
�
�
�
�
 
�
�
#
�
�
 
�
�
�
#
�
�
�
�
�
�
+
3
�
�
�
�
%
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
�
;
$
�
�
�
 
�
�
�
�
%
�
 
�
!
�
�
�
�
�
!
�
�
�
�
&
�
�
�
�
=
�
�
%
�
�
�
�
 
$
 
!
�
!
�
"
�
 
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
 
�
�
�
�
�
�
�
�
!
�
�
�
�
&
�
+
>
�
)
�
/
�
�
(
$
�
�
 
%
�
�
%
�
�
�
?
@
A
�
�
�
%
�
�
�
�
�
�
�
�
!
�
�
�
�
&
�
�
�
�
�
!
�
�
5
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
&
�
!
�
�
%
�
�
�
�
�
�
!
�
"
�
�
%
�
�
�
:
�
%
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
+
3
�
�
�
�
�
�
!
�
%
�
�
�
�
�
�
�
�
"
�
�
 
/
�
�
�
�
�
�
�
$
�
�
�
�
�
)
�
�
�
(
$
�
�
�
&
�
�
�
�
�
�
�
�
�
�
�
�
(
$
�
�
�
�
�
�
%
�
�
�
�
"
�
�
�
�
�
�
8
B
�
�
�
�
�
�
0
�
�
�
>
�
"
C
�
�
�
�
�
%
�
�
$
�
 
D
E
F
?
+
3
�
�
�
�
�
�
�
�
�
�
�
�
$
"
�
�
�
G
7
�
C
�
�
�
�
 
�
!
�
�
�
$
%
�
�
)
C
�
�
�
�
�
�
�
�
�
%
$
�
$
�
�
�
�
�
�
�
H
�
>
�
"
C
�
!
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
 
�
�
�
�
�
�
!
�
�
�
&
�
�
�
�
�
"
�
!
�
!
$
"
�
�
 
�
�
�
�
%
�
�
8
�
%
�
�
�
%
�
 
�
�
�
�
�
�
�
�
�
+
7
!
�
"
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
"
:
�
I
J
K
L
I
I
2
�
�
�
�
%
�
�
"
 
�
�
�
�
$
�
�
"
�4
�
�
�
�
�
#
*
�
�
%
�
!
�
�
�
�
�
�
�
$
4
�
�
�
�
�
�
$
�
�
�
�
#
�
�
 
�
�
�
�
�
�
�
#
�
�
�
�
!
�
�
$
 
 
�
�
�
�
�
�
"
(
$
�
�
�
�
�
$
)
 
�
�
�
�
�
�
$
 
�
�
#
�
�
�
�
�
$
�
�
�
�
&
�
�
�
�
 
�
�
�
%
�
�
�
�
)
�
�
"
�
�
�
�
�
�
�
�
�
#
�
%
�
�
�
#
�
�
�
�
�
�
�
�
�
!
�
�
�
&
�
�
�
�
�
�
�
�
�
�
 
�
!
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
(
$
�
�
&
�
%
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
M
�
$
�
�
�
�
�
�
�
�
�
�
$
�
(
$
�
"
*
)
�
�
�
�
�
�
�
�
�
�
+
>
�
"
C
�
%
�
�
�
�
�
�
�
�
$
�
�
:
�
�
�
�
9
�
�
�
�
�
�
�
*
�
�
�
�
 
�
�
�
�
�
�
!
�
�
�
&
�
�
�
�
�
"
-
N
�
�
$
�
�
D
2
+
O
�
�
P
�
Q
R
,
�
�
�
:
�
�
�
�
9
�
�
�
�
�
�
�
*
�
�
�
�
 
�
�
�
�
�
�
!
�
�
�
&
�
�
�
�
�
"
�
�
>
�
"
C
�
+
3
�
�
�
�
9
�
�
�
�
�
�
"
�
�
 
�
�
%
�
�
�
�
�
"
�
)
�
�
�
�
&
�
�
�
�
�
�
�
�
�
"
�
�
�
!
�
"
�
�
�
�
�
�
�
�
�
�
+
3
�
�
�
�
9
�
�
�
�
�
�
�
�
�
�
�
:
�
%
�
�
�
�
%
�
�
�
�
�
"
�
)
�
�
�
�
&
�
�
�
�
"
�
%
�
%
�
�
�
�
%
5
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
"
�
�
�
�
*
 
$
"
�
�
�
�
%
�
�
"
(
$
�
�
�
�
�
�
%
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
:
�
%
�
�
�
(
$
�
"
(
$
�
�
�
$
�
�
�
�
�
�
*
 
$
"
�
=
�
�
�
$
4
�
�
�
+
3
�
�
�
�
9
�
�
�
�
�
�
'
�
$
�
�
&
�
�
�
�
'
!
�
�
�
�
&
�
!
�
�
"
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
"
�
�
�
�
(
$
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
"
�
%
�
%
�
�
�
�
%
5
�
�
�
�
�
�
�
�
�
�
�
�
�
:
�
%
�
�
�
�
�
�
�
*
 
$
"
�
�
�
�
%
�
�
"
�
$
(
$
�
"
(
$
�
�
�
$
�
�
�
�
�
�
*
 
$
"
�
+
3
�
!
�
�
 
�
�
�
�
�
�
�
9
�
�
�
�
�
�
�
�
 
�
�
�
�
�
G
�
�
�
�
&
�
�
�
�
"
�
�
 
�
H
�
�
%
=
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
"
�
�
�
�
�
�
�
&
�
�
�
�
�
'
�
8
�
!
�
�
9
"
�
 
�
/
8
�
!
5
#
�
�
�
/
�
�
�
�
�
�
"
-
0
0
7
2
�
�
%
�
�
�
�
(
<
�
�
�
�
 
�
�
�
�
�
�
%
�
�
�
�
�
"
�
)
�
�
�
�
&
�
�
�
�
�
�
�
�
�
"
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
	
 "
#
$
%
&
'
%
(
)
%
'
(
#
+
,
-
,
)
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
�
�
�
�
�
�
�
�
�
�
0
1
2
3
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
5
 
�
�
�
�
�
�
�
6
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
7
�
�
�
�
8
�
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
9
�
�
�
�
�
:
�
	
;
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
<
�
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
>
-
?
@
(
%
A
B
;
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
 C
#
$
D
#
,
)
+
%
,
)
E
)
(
F
%
,
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
G
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
 
�
�
�
 
�
�
�
H
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
��
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
0
1
2
2
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
8
�
�
�
�
�
�
�
�
�
5
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
I
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
6
�
�
�
�
�
�
�
8
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
9
�
�
�
�
�
J
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
 
!
"
#
$
%
�
�
�
&
'
�
�
�
(
�
)
�
)
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
*
�
�
�
)
�
�
�
�
+
,
-
�
)
�
�
#
.
�
�
�
�
�
�
�
�
�
/
�
�
�
�
*
�
�
�
�
�
�
%
�
�
�
�
�
�
�
�
0
�
�
�
%
�
�
�
�
�
�
�
�
)
�
�
�
)
�
�
�
�
�
�
�
�
 
1
2
"
�
�
�
�
�
�
�
*
�
�
�
�
3
�
*
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
�
�
�
0
�
�
�
�
�
�
�
�
)
�
�
�
)
�
�
�
�
�
)
�
�
!
1
5
 
"
�
�
)
�
�
�
�
�
�
�
�
�
�
(
*
3
�
�
�
#
.
!
1
5
 
�
�
�
�
*
�
�
�
)
�
�
�
�
�
�
�
�
(
�
6
�
�
*
�
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
(
�
)
�
)
�
�
�
)
�
�
�
�
+
*
�
�
'
�
�
�
�
�
*
7
�
�
8
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
(
)
�
�
#
 9
:
;
<
=
:
>
�
?
�
@
�
�
>
;
<
;
<
A
�
<
>
>
B
:
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
*
�
�
�
�
�
4
)
�
�
�
�
�
�
)
�
�
�
�
�
�
C
D
E
�
F
G
�
'
�
�
*
�
�
�
�
3
)
�
�
�
�
�
�
�
�
�
�
*
7
�
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
�
#
1
�
�
�
�
�
�
�
�
+
*
�
*
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
�
/
�
�
�
�
�
�
�
�
)
�
#
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
+
*
�
�
�
(
*
�
�
�
�
�
�
/
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
%
�
�
�
�
�
�
�
&
H
�
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
8
�
#
G
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
8
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
8
�
4
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
(
�
�
�
�
4
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
*
�
�
8
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
)
�
�
�
8
�
�
�
�
�
�
�
�
�
(
*
�
�
�
�
)
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
%
�
�
�
�
�
�
�
�
�
�
�
�
)
�
�
�
�
�
�
�
�
�
�
8
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
�
8
�
�
�
�
�
#
C
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
*
�
�
7
�
�
�
�
�
�
�
�
�
*
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
�
�
�
�
'
�
�
�
�
�
�
*
�
�
7
�
�
�
�
#
1
�
�
/
�
�
�
�
�
�
�
8
�
�
�
�
&
'
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
�
+
*
�
�
�
�
I
�
�
�
8
�
%
�
�
�
�
�
4
�
�
�
�
�
�
�
�
&
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
!
"
�
�
�
#
�
�
�
�
$
�
�
�
�
%
!
&
'
�
�
�
�
�
(
!
)
*
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
+
�
�
�
�
�
,
!
-
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
/
!
0
�
�
�
�
�
�
�
�
�
�
�
�
1
!
2
�
�
�
�
�
�
3
�
�
'
�
�
�
�
4
!
�
�
�
�
�
�
�
3
�
�
'
�
�
�
�
5
!
0
�
�
�
�
�
�
�
�
�
�
$
#
�
�
'
�
#
�
�
6
!
7
�
�
�
�
�
�
�
�
�
 
8
!
&
�
�
�
�
9
:
�
;
�
�
�
�
�
�
�
�
�
�
 
 
!
0
�
�
�
�
�
�
�
+
�
�
�
�
!
�
�
�
�
�
�
�
�
�
 
%
!
0
�
�
�
�
:
�
�
�
�
�
�
�
�
!
;
�
�
�
�
�
�
�
�
�
�
<
�
=
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
>
�
�
�
�
�
�
�
��
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
=
!
3
�
�
�
�
�
�
?
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
@
>
�
+
�
�
�
�
�
�
�
�
>
�
*
�
�
�
�
A
B
B
C
D
E
F
G
H
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
�
�
:
�
�
�
I
�
�
I
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
0
�
�
�
�
�
�
9
:
�
J
�
�
�
�
�
�
�
�
�
�
�
�
3
+
�
�
�
�
�
�
I
�
�
I
�
#
�
�
�
#
�
�
�
�
:
�
>
�
�
#
�
#
�
�
�
�
3
�
�
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
�
�
#
�
�
=
�
�
�
�
�
K
L
H
M
N
D
L
O
M
F
D
#
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
:
�
�
P
�
�
#
�
�
�
�
�
�
Q
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
#
�
�
�
�
�
9
:
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
9
:
�
#
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
+
�
�
�
�
>
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
9
:
�
�
�
#
�
�
�
I
�
�
I
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
R
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
9
�
�
�
�
I
�
�
�
�
�
#
�
�
'
�
�
�
�
�
�
=
!
3
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
�
�
�
�
�
�
>
�
*
�
�
�
�
A
B
B
C
D
E
F
G
H
>
�
*
�
�
�
�
#
�
�
�
�
�
;
�
�
�
�
�
�
�
�
�
S
#
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
�
#
�
�
�
9
:
�
#
�
#
�
�
�
�
:
�
>
�
�
�
�
�
�
�
+
�
�
�
�
#
�
#
�
I
�
�
�
�
�
#
�
;
�
�
�
�
�
�
�
�
�
T
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
#
�
;
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
I
�
#
�
>
�
:
�
�
�
�
�
�
�
�
�
#
�
�
�
�
:
�
>
�
�
�
�
�
�
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
+
�
�
�
�
�
�
 U
�
�
V
�
W
X
Y
V
Z
[
�
[
X
\
�
X
]
]^
Z
0
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
+
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
I
�
=
�
�
�
�
P
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
�
�
#
�
�
_
+
I
�
�
�
"
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
(
!
,
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
�
�
�
�
#
�
I
�
!
�
J
�
�
�
�
�
�
9
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
I
�
�
�
�
�
+
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
+
�
�
�
�
�
�
�
3
+
�
�
�
�
�
�
�
�
�
�
�
�
'
�
�
�
�
�
�
�
�
#
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
>
#
�
I
�
!
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
+
�
�
�
�
=
#
�
$
�
�
�
#
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
#
�
#
�
�
�
�
�
�
I
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
$
�
�
�
Q
�
9
:
�
�
�
�
�
�
�
�
#
�
�
�
#
�
I
�
#
�
�
>
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
$
�
�
�
�
�
�
�
'
$
�
�
�
�
�
�
�
�
�
�
�
�
+
�
�
�
�
�
>
�
�
#
�
�
#
�
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
I
+
�
�
�
�
�
9
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
#
�
#
�
�
�
�
:
�
>
�
�
�
�
�
�
�
#
�
�
�
�
�
�
�
�
�
�
$
�
�
�
�
I
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
>
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
>
�
�
#
�
�
�
�
�
�
�
�
>
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
I
�
�
�
I
�
�
�
�
�
�
�
�
�
�
9
:
�
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
 !
"
#
$
"
%
�
#
�
#
&
"
'
#
(
)
%
�
*
�
�
%
�
+
�
�
�
�
�
�
�
�
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
.
�
�
�
�
�
�
�
�
�
.
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
.
�
�
�
�
�
�
�
�
�
�
�
.
�
0
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
1
�
�
 
2
�
�
�
�
�
/
�
�
�
.
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
3
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
.
�
�
/
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�/
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
.
�
0
�
�
�
�
�
�
 
 5
�
�
*
�
�
$
�
�
�
�
"
'
6
)
7
6
�
%
�
*
)
8
�
%
"
&
�
"
#
#
(
)
9
�
�
�
�
�
�
�
�
�
�
�
�
1
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
:
�
�
�
�
;
�
.
�
�
�
�
�
�
�
�
�
:
�
�
�
.
�
�
�
�
�
�
�
�
 
<
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
 
2
�
�
.
�
�
�
�
�
.
�
�
�
�
�
.
�
�
�
�
�
�
�
�
.
�
�
�
�
0
�
�
�
�
�
�
�
�
>
.
�
�
�
�
�
�
�
�
?
�
�
�
�
�
�
�
�
�
�
�
.
�
�
.
0
�
�
�
,
�
�
�
�
�
�
�
�
:
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
2
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
@
�
.
�
�
A
�
�
�
?
�
�
0
�
�
�
�
,
�
.
B
C
D
E
,
�
�
�
�
0
�
;
�
�
�
�
�
�
�
�
�
�
�
�
;
�
�
F
�
�
�
�
�
�
.
�
�
�
�
�
�
.
�
�
�
�
.
�
�
�
�
G
�
�
�
�
�
�
�
�
�
�
A
�
�
�
?
H
 
2
�
�
�
�
�
�
�
�
�
�
A
�
�
�
?
�
�
�
�
�
�
�
�
�
�
�
�
I
�
�
�
/
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
.
4
�
�
�
�
.
�
;
�
�
�
�
1
�
.
�
 
<
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
A
�
�
�
?
,
�
�
�
�
�
�
J
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
;
�
�
�
�
1
�
.
�
�
�
�
�
�
=
�
�
�
�
�
�
K
�
�
:
�
�
�
�
/
�
�
�
�
�
�
�
�
/
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
;
�
�
�
�
�
.
�
�
 
2
;
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
�
�
;
�
/
�
�
�
�
�
�
K
�
�
�
�
�
�
�
-
�
�
�
F
�
�
�
�
�
�
�
�
�
�
�
�
.
�
.
�
�
�
�
�
�
�
;
�
�
�
�
1
�
.
�
 
2
;
�
�
�
�
1
�
.
�
�
�
�
�
�
�
�
�
?
,
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
:
�
�
�
�
�
1
�
.
�
�
�
�
�
�
=
�
�
�
�
�
�
�
�
.
�
.
�
�
�
�
L
.
�
�
�
�
�
�
�
M
�
�
�
�
�
�
�
�
�
�
�
�
�
�
1
�
.
�
�
�
�
�
�
�
�
/
�
�
�
�
�
�
�
�
/
�
�
 
N
.
0
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
K
�
.
.
�
�
�
�
�
�
�
�
�
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
�
.
0
�
�
�
�
�
�
�
�
�
�
�
�
F
:
�
�
�
�
�
.
�
�
�
�
�
�
�
�
�
:
�
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
�
�
�
�
�
�
�
�
�
�
.
�
�
�
�
�
�
.
�
�
�
�
�
.
�
�
�
�
 
2
�
�
�
�
�
.
�
�
.
0
�
�
�
=
�
�
.
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
F
:
�
�
,
�
�
�
�
�
�
�
�
�
�
�
�
�
.
�
/
�
�
�
�
�
�
�
�
/
�
�
,
�
-
�
�
�
F
,
�
M
�
�
�
�
�
�
�
�
�
�
�
�
�
�
1
�
.
�
,
�
�
�
�
�
.
�
.
�
�
�
�
L
.
�
�
�
,
�
�
�
�
�
.
�
.
�
�
�
,
0
�
0
�
�
�
�
�
-
�
�
�
,
�
�
�
�
�
�
�
�
�
�
-
�
�
�
,
�
�
.
�
�
F
�
�
.
�
/
�
�
-
�
�
�
,
;
�
�
�
�
�
.
�
�
,
�
�
�
.
�
�
�
�
;
�
�
�
�
�
.
�
�
,
�
�
�
�
F
:
�
�
�
1
�
.
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
F
�
�
;
�
�
�
�
�
.
�
�
G
O
�
/
�
�
�
P
H
 
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
"
#
$
#
%
&
'
(
&
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
%
&
)
'
�
�
�
�
�
�
�
�
�
�
�
!
*
+
,
)
)
'
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
%
&
�
*
+
,
)
(
.
�
�
�
�
/
0
�
�
�
�
�
�
�
�
�
1
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
 
�
�
�
2
�
�
�
�
�
�
2
�
+
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
3
�
�
�
�
�
�
�
�
4
-
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
&
5
�
1
�
�
�
�
�
6
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
!
&
.
'
1
�
�
�
�
7
�
�
7
�
�
�
�
�
�
�
�
�
�
�
�
�
!
"
8
'
��
�
�
�
�
�
4
�
�
�
�
�
�
�
9
&
:
�
�
�
�
7
�
�
7
�
�
�
�
�
�
�
.
!
;
.
'
(
<
�
�
�
4
-
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
&
5
�
�
9
&
:
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
�
�
�
�
�
�
�
�
�
&
�
.
!
>
&
�
>
.
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
'
1
�
�
�
-
3
�
�
�
�
�
7
�
�
7
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
7
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
&
5
�
!
.
$
?
@
'
1
�
�
6
�
�
�
�
-
�
�
�
�
�
�
�
�
�
=
�
�
�
(
&
.
$
?
@
�
�
�
�
�
�
�
3
�
7
�
�
�
�
�
�
�
�
-
�
�
�
�
2
7
�
�
�
�
1
�
�
�
�
�
�
�
�
A
�
�
�
�
�
1
�
7
�
�
�
�
�
�
-
�
�
�
�
2
7
�
�
�
�
�
�
�
�
�
�
�
�
�
�
6
�
�
 
�
�
!
@
9
%
B
'
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
1
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
4
C
�
�
�
�
(
5
-
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
3
�
�
�
�
�
�
�
�
�
�
�
�
2
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
1
�
�
�
�
�
-
�
�
�
�
7
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
A
�
�
�
�
�
�
�
�
�
7
�
�
�
�
�
�
-
�
�
�
�
2
7
�
�
�
�
�
�
�
�
�
�
�
�
�
�
6
�
�
 
�
�
!
@
9
%
B
�
�
�
�
4
�
C
�
1
 
�
�
�
�
+
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
D
�
�
7
�
�
�
�
�
'
1
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
/
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
=
�
 
�
�
�
(
%
�
�
�
�
6
7
�
�
�
1
�
@
9
%
B
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
-
�
�
4
C
�
�
�
�
(
�
�
�
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
�
4
-
�
1
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
-
�
�
�
�
1
�
�
�
�
�
�
�
 
6
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
6
7
�
�
�
�
�
�
�
�
+
�
�
�
�
�
�
(
E
�
�
�
�
�
�
�
�
-
�
�
�
�
C
�
�
�
�
�
�
�
�
�
/
-
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
-
�
�
�
�
�
�
�
�
=
�
�
�
�
�
�
@
9
%
B
�
�
�
�
�
4
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
/
-
�
�
�
A
�
�
�
�
�
�
�
�
�
@
9
%
B
6
�
�
�
�
�
-
=
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
4
�
�
�
�
�
�
�
�
�
�
2
�
�
�
�
�
�
D
�
�
�
�
�
�
�
�
(
F
�
�
�
�
=
�
�
�
/
-
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
	
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
	
�
�
�
	
�
	
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
	
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
	
�
	
	
 
�
�
!
"
#
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
$
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
	
	
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
%
�
�
�
�
	
�
	
�
�
�
�
�
�
�
�
	
�
�
�
�
�
&
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
'
�
	
�
�
(
)
*
)
�
�
�
�
�
�
�
�
�
�
�
+
�
�
	
�
�
�
�
�
,
�
�
�
�
�
�
�
'
�
	
�
�
	
�
+
�
�
�
�
-
�
�
�
�
�
�
'
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
'
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
.
�
�
�
	
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�
	
�
�
�
�
�
	
�
�
�
�
�
�
�
�
�
�
�
�
�
�

Continue navegando