1
cum
3
4
2
2
0
0
1
0
0
1
1
1
1
0
3
1
0
1
2
0
0
4
2
3
1
0
1
1
0
1
1
1
1
1
4
1
2
1
1
1
2
0
1
1
1
1
1
1
0
