0
cum
1
3
1
4
4
2
1
2
1
2
2
1
7
1
0
3
2
2
0
1
1
1
1
1
2
4
0
0
1
2
0
1
4
1
4
2
2
1
2
2
2
6
1
1
3
3
1
1
1
