M
M
M
F
M
F
M
S
S
R
M
B
F
S
M
R
M
R
S
R
B
F
F
R
F
F
S
F
F
M
R
R
R
S
R
R
F
M
S
S
S
M
F
M
B
F
B
F
R
F
B
R
S
F
M
B
B
B
S
M
S
B
S
R
B
S
B
B
R
B
R
M
B
B
S