M
F
C
M
C
F
C
M
M
M
M
F
F
M
F
M
M
M
M
M
F
M
F
F
M
F
M
F
M
F
F
F
F
F
M
C
M
F
M
F
C
M
F
C
M
M
M
F
M
F
F
F
M
C
C
M
M
C
C
M
C
M
F
M
M
M
M
M
F
F
F
F
M
M
C
C
F
F
C
M
M
F
M
M
F
F
F
F
F
F
F
F
F
M
M
F
M
M
M
M
M
M
F
F
M
M
M
F
F
M
M
M
F
M
F
M
M
M
M
M
M
M
M
M
F
F
M
F
F
F
M
M
F
F
F
F
F
F
C
M
F
F
M
F
F
M
M
C
M
F
M
M
M
M
M
M
M
M
M
C
F
C
F
C
M
M
F
M
F
M
M
F
M
M
F
F
C
C
M
M
C
F
M
M
M
F
F
M
M
C
F
C
F
F
M
F
F
M
M
C
C
C
C
F
M
M
M
M
M
M
M
M
F
F
F
M
M
M
M
M
C
C
F
M
M
M
C
C
C
M
C
F
F
C
C
C
M
F
M
M
F
M
M
M
M
F
F
F
C
C
F
F
M
M
M
M
C
C
M
M
F
F
F
F
M
F
C
F
F
F
F
M
F
F
F
F
F
F
F
F
M
F
M
C
C
C
F
F
F
M
M
M
F
M
M
M
F
M
M
F
F
C
F
F
F
M
F
F
F
M
M
M
F
F
M
M
C
M
F
C
C
M
C
C
F
M
F
M
F
M
M
M
M
M
M
M
M
M
F
M
M
M
C
M
F
C
C
M
M
M
M
F
M
C
C
C
C
F
F
F
F
M
M
M
M
M
F
F
F
F
F
F
F
F
M
M
F
F
M
M
M
F
F
F
M
M
M
C
C
F
F
F
M
M
M
C
C
M
C
F
M
F
M
M
F
M
M
C
F
F
F
F
F
M
C
M
M
F
F
C
M
F
M
M
M
M
F
C
F
M
M
M
M
C
F
M
M
C
F
F
M
M
M
C
C
M
M
M
F
C
M
F
M
M
F
M
M
M
F
M
F
M
M
F
M
M
M
M
M
F
F
F
C
C
M
F
F
F
M
M
M
M
M
M
M
F
M
F
F
F
C
F
F
M
M
F
M
F
M
F
F
M
F
M
M
M
C
M
F
M
M
M
F
C
C
C
M
F
C
F
M
M
F
M
F
F
F
C
F
F
M
F
C
M
F
F
C
M
M
M
F
F
M
F
F
M
F
C
F
F
M
M
F
F
F
F
C
C
M
F
M
F
M
M
C
M
M
F
M
F
M
M
M
F
F
F
M
F
F
F
M
F
F
F
F
M
F
M
F
M
M
M
M
M
F
F
F
F
F
F
F
F
F
F
F
M
F
F
M
F
F
F
M
M
C
M
F
F
F
M
F
F
F
M
M
F
M
M
F
M
M
M
F
M
F
F
F
M
M
F
F
M
F
M
F
F
F
F
M
F
F
F
F
F
F
F
F
M
F
M
F
F
F
M
F
F
M
F
M
M
M
M
F
M
F
F
M
F
F
F
F
F
F
F
M
M
M
F
F
F
F
M
F
M
F
M
M
M
M
M
F
F
M
F
M
M
M
M
F
M
F
F
F
F
F
F
F
F
F
M
M
F
F
F
F
F
M
M
M
F
F
F
F
M
F
F
M
F
F
F
F
F
F
M
M
F
M
C
F
M
F
F
F
M
M
M
F
F
M
M
M
F
M
M
M
F
M
M
M
F
F
F
M
M
M
F
M
M
M
M
F
F
M
F
F
F
F
F
F
F
F
F
M
F
F
F
F
F
F
M
F
M
M
F
F
M
M
M
M
M
M
M
M
F
F
F
M
F
F
M
F
M
F
F
F
F
M
F
F
F
F
F
M
F
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
F
M
F
F
M
M
F
F
M
M
F
M
M
M
F
F
F
F
M
F
M
F
F
F
F
M
F
M
M
F
M
C
F
F
F
C
M
M
M
C
F
M
F
F
F
F
M
M
M
M
M
F
F
F
M
F
F
M
M
M
F
M
F
M
F
M
F
F
F
M
M
M
F
M
M
F
M
M
M
F
M
F
F
F
M
M
F
F
F
M
M
M
M
F
F
M
F
M
F
F
F
F
F
F
M
F
C
F
F
M
M
M
M
F
M
F
F
F
M
M
F
F
M
F
M
F
F
M
C
C
F
M
F
F
M
M
F
F
F
F
F
M
M
M
M
F
M
M
F
M
M
M
M
M
M
F
F
F
F
F
M
M
F
F
M
M
F
C
F
F
F
F
C
M
M
F
M
F
M
F
F
F
M
M
F
M
M
M
F
M
F
M
M
F
F
F
F
F
F
M
M
F
F
M
M
M
M
M
F
F
M
F
F
F
M
F
F
F
F
M
F
F
M
M
F
F
F
M
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
M
F
F
F
M
F
C
F
C
F
C
M
M
M
F
F
F
M
F
F
F
F
M
M
F
F
F
M
F
M
F
F
M
M
F
M
F
F
C
M
F
F
M
M
F
M
F
F
M
F
C
F
M
M
F
F
M
M
M
C
C
C
F
F
C
M
M
M
F
F
F
F
F
M
F
M
F
M
F
F
M
M
M
M
F
M
F
F
F
M
F
F
F
M
M
C
M
F
F
F
F
M
M
C
C
F
F
F
F
F
F
M
M
M
M
F
M
F
M
M
M
F
M
F
F
M
F
F
F
F
F
F
F
F
F
M
C
F
C
F
M
F
F
M
F
F
M
M
F
C
C
M
F
M
F
F
F
M
M
M
M
M
M
F
F
F
F
M
M
M
M
F
F
M
M
F
F
F
F
M
F
F
M
F
M
F
F
F
F
M
F
F
M
M
F
M
M
F
F
F
F
F
M
M
F
F
M
C
C
F
F
M
F
F
F
F
F
F
M
C
C
M
M
M
F
M
F
M
M
M
M
M
M
M
F
F
F
F
F
M
M
F
C
C
F
M
F
F
M
F
M
M
M
F
M
F
M
F
M
F
M
M
F
F
F
M
M
M
M
M
F
M
F
F
M
F
F
M
F
M
F
M
F
M
M
F
M
M
M
C
F
F
M
M
M
F
M
M
F
M
F
M
M
F
F
F
M
M
M
F
F
F
F
F
M
F
F
M
M
M
M
M
F
M
F
F
F
F
M
C
F
F
M
F
F
F
F
F
C
M
M
M
C
M
M
F
M
M
F
M
M
F
F
F
M
M
F
F
M
M
M
F
M
M
F
M
F
F
M
M
F
F
F
F
F
M
F
M
M
F
F
M
M
M
F
M
F
M
F
F
M
F
F
F
M
M
M
M
M
M
M
F
M
F
M
F
F
F
F
F
F
M
F
M
F
F
F
M
F
F
F
M
F
F
F
F
M
F
F
F
F
M
M
F
M
F
F
F
F
F
M
M
F
M
F
F
F
M
F
F
F
F
F
F
M
F
F
F
F
F
F
M
F
M
F
M
F
X
F
M
F
F
F
M
F
M
M
C
F
M
M
F
F
F
M
F
F
C
F
F
M
M
M
M
F
F
F
F
M
M
C
C
M
C
M
F
M
M
C
C
C
M
F
M
M
M
M
C
F
F
M
M
F
M
F
M
M
F
F
M
M
F
F
F
F
M
F
F
M
M
M
M
C
C
M
M
M
C
C
M
F
F
M
M
M
F
M
M
F
F
F
F
M
F
F
M
M
M
F
F
F
F
M
C
M
F
F
M
M
F
M
M
F
M
F
M
F
F
F
M
F
F
C
F
M
F
F
F
F
M
M
F
F
F
F
M
F
F
C
M
M
F
M
F
M
F
F
F
C
C
C
C
C
F
M
F
M
F
F
F
F
M
M
F
F
M
F
F
F
F
F
M
F
F
F
F
M
F
F
M
M
M
M
M
M
F
F
M
F
F
M
M
M
M
F
F
M
F
F
M
M
M
M
F
M
F
F
F
C
F
M
F
M
F
C
M
F
M
F
F
F
M
F
M
F
M
F
F
F
F
M
F
F
F
M
M
M
M
F
M
M
F
F
M
M
F
M
F
M
F
M
M
M
F
M
F
F
F
F
M
F
M
F
M
F
C
F
M
M
M
F
F
F
F
M
F
M
M
M
M
C
M
M
F
M
M
M
F
F
F
F
F
F
M
F
F
M
C
F
F
F
C
F
M
M
M
M
F
M
M
F
F
M
F
M
M
F
F
M
M
F
M
M
M
M
M
M
F
F
M
F
F
F
M
C
M
F
C
M
F
M
M
M
M
C
C
C
C
F
F
M
M
M
F
M
F
F
M
M
F
M
M
F
F
F
F
F
F
F
F
F
M
M
M
F
F
M
F
F
F
F
F
M
M
F
F
M
M
M
M
M
F
M
M
M
F
F
M
F
F
F
F
C
F
F
M
C
F
C
F
M
C
X
M
X
X
F
X
M
F
M
M
M
M
M
F
F
M
C
C
M
M
C
C
M
F
F
C
M
F
F
M
F
M
C
C
F
F
F
M
C
C
M
M
M
F
C
C
M
F
F
M
F
F
C
F
C
F
M
F
F
M
F
F
M
C
M
F
F
F
C
M
F
F
M
M
C
M
M
M
M
F
M
F
F
M
F
M
F
F
M
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
F
C
F
F
M
F
M
F
F
F
C
M
M
C
F
C
F
C
M
M
M
C
C
F
M
F
F
M
F
F
M
X
F
F
F
M
C
M
F
C
F
F
M
M
F
C
M
M
M
C
M
C
M
F
F
F
F
M
M
M
F
F
C
F
M
F
C
C
F
C
F
F
F
C
C
F
F
C
M
C
M
M
F
F
F
F
F
F
F
C
F
C
F
M
F
M
F
F
F
M
M
F
C
C
C
F
M
M
M
M
M
F
M
M
M
M
M
F
M
F
M
F
M
M
F
M
M
M
F
F
F
M
M
F
F
M
M
M
F
F
F
F
M
F
M
F
M
M
F
M
M
F
F
M
F
M
M
M
F
F
F
M
M
F
F
M
M
F
M
M
F
F
M
M
F
M
M
F
M
F
F
F
M
F
M
M
M
F
F
M
M
C
F
F
M
C
M
M
F
M
C
M
C
F
M
F
F
F
C
M
F
C
M
C
F
C
C
F
F
M
M
C
F
C
C
F
M
M
C
C
M
M
M
F
C
F
F
M
M
F
F
F
F
M
F
F
M
F
M
F
F
M
M
M
M
M
M
F
F
M
C
M
M
M
M
F
M
F
M
F
F
M
M
F
M
F
F
M
M
M
M
F
F
C
C
M
M
M
F
M
M
M
C
F
M
F
M
F
M
C
F
C
M
F
F
C
C
M
M
C
M
M
C
C
F
C
C
C
F
F
F
C
F
C
M
M
M
M
M
F
F
F
C
F
F
F
M
M
M
M
F
F
F
F
F
M
M
M
M
F
F
F
C
M
M
M
F
F
C
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
X
F
M
X
M
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
M
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
M
F
F
C
M
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
M
F
F
C
M
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
M
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
C
X
X
X
X
X
X
X
X
X
X
X
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
M
M
F
F
C
M
M
F
M
M
F
M
C
M
C
M
M
F
M
F
M
M
M
F
F
M
M
F
M
M
M
F
C
F
M
M
F
M
C
F
C
M
F
M
M
M
M
M
M
F
F
F
F
M
F
F
M
M
M
C
M
F
M
F
F
F
M
M
F
M
F
F
F
F
M
M
M
M
M
C
M
M
F
F
F
M
M
F
M
F
M
M
F
C
F
C
M
F
M
M
F
F
F
F
F
M
M
M
F
M
M
F
F
F
F
M
M
F
F
F
F
M
F
M
F
M
M
F
F
C
M
C
F
M
M
M
M
F
F
F
F
F
F
F
F
F
F
M
M
M
M
F
M
F
M
F
F
M
M
F
F
F
M
F
F
F
M
M
F
M
F
M
M
M
C
F
M
M
F
M
F
M
F
C
M
M
F
M
M
M
M
F
M
F
F
F
M
M
M
F
F
F
F
M
F
M
M
M
F
C
F
F
M
M
M
M
F
M
M
M
F
F
M
F
M
M
M
M
F
M
F
C
M
F
M
F
F
F
F
M
F
F
M
F
F
F
M
M
M
M
F
M
F
M
M
C
M
F
M
M
M
F
M
F
M
F
M
F
F
M
F
M
C
F
M
C
F
M
F
M
F
F
M
M
M
F
M
M
M
M
F
M
M
M
F
M
M
M
M
F
M
C
M
F
M
C
F
M
M
C
M
M
M
C
F
M
C
F
C
F
F
F
F
F
F
M
M
C
M
M
C
M
M
M
F
M
C
F
M
F
M
F
M
F
C
M
F
F
M
F
M
F
C
M
M
F
M
F
F
F
F
F
F
M
C
M
F
M
F
M
C
M
M
M
M
F
M
F
M
M
M
M
M
F
F
C
F
M
M
F
M
M
M
X
X
X
F
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F
M
M
X
X
X
X
X
X
X
X
X
X
X
M
M
C
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
F
M
C
C
C
C
F
C
C
M
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X