f
n
d
n
5
2
2
0
6
4
1
1
6
3
2
0
4
4
1
0
7
5
0
1
9
2
0
0
6
2
1
0
8
3
1
0
5
4
1
0
4
4
3
0
8
2
1
0
6
6
2
0
5
4
0
0
7
1
0
0
follow
non-follow
declare
non-declare
86
46
15
2