40
1 1,
2 1,
3 2,3,
4 1,2,
5 1,5,
6 1,2,
7 1,6,
8 1,
9 1,4,
10 1,4,
11 1,6,
12 3,
13 1,
14 1,
15 1,3,
16 2,5,
17 1,
18 2,
19 4,
20 2,
21 2,
22 3,
23 2,
24 3,
25 1,5,
26 2,
27 2,3,4,
28 1,2
29 1,
30 1,5,
31 1,5,7,
32 1,
33 1,3,4,
34 1,5,7,
35 1,5,
36 1,5,
37 3,
38 1,5,
39 3,
40 2,5,