0
cum
1
1
1
1
1
1
2
1
4
1
2
4
0
0
3
1
2
2
1
0
1
1
1
1
2
1
4
2
2
0
4
1
2
1
2
2
2
1
6
0
1
1
3
2
0
3
1
1
1
