0
need
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
1
4
1
2
5
1
0
2
0
0
0
5
1
0
5
3
2
3
6
0
3
10
0
3
5