A
4
M
M
N
A
A
A
M
I
0
4
0
N
A
0
M
I
A
0
M
0
I
M
N
N
I
N
4
A
N
I
A
0
0
4
0
N
A
4
I
A
M
A
4
M
A
4
A
I
4
A
A
A
M
A
4
I
N
N
0
A