2
cum
3
1
1
5
5
1
0
2
1
4
3
2
1
2
2
2
1
1
1
3
6
1
4
1
0
1
2
1
2
1
2
3
2
1
7
4
1
0
4
3
1
3
0
4
4
3
3
1
1
