S
S
S
S
M
R
A
R
A
M
R
M
R
R
M
A
S
F
M
R
S
F
R
F
F
R
A
F
A
F
A
R
S
F
R
S
F
F
M
M
M
S
R
S
A
F
S
F
F
A
M
A
A
M
A
M
A