:
:
:
:
a
a
a
a
a
;
a
a
a
s
a
a
a
h
s
a
a
f
s
a
k
s
k
h
a
h
k
a
a
a
a
a
a
a
l
a
a
a
a
k
k
;
s
a
s
a
a
a
a
a
s
h
k
f
a
s
h
d
a
d
d
s
s
a
g
j
g
d
l
k
g
f
k
j
a
d
s
s
a
a
a
a
a
a
a
a
s
a
s
s
a
a
a
a
d
a
a
s
a
j
g
s
a
a
s
f
g
a
l
l
a
s
s
s
s
d
s
d
f
d
d
s
s
s
g
a
j
d
s
k
a
a
h
d
s
d
g
d
f
f
g
f
g
d
s
d
f
d
d
f
j
l
s
s
s
s
d
l
s
d
d
f
d
d
f
d
s
d
d
f
d
s
d
d
l
k
f
d
;
d
k
k
k
k
k
d
s
s
s
d
s
s
s
d
s
d
h
f
s
d
d
d
d
d
f
l
d
d
d
s
d
d
f
d
d
s
d
f
f
d
s
d
d
d
f
s
s
s
d
d
d
d
x
l
ll
k
l
l
l
l
l
d
f
d