0 = 0
1 = 0
2 = -1
3 = -1
4 = -2
5 = 2
6 = -1
7 = -1
8 = 1
9 = -15
10 = 0
11 = -1
12 = -2
13 = 2
14 = -1
15 = -2
16 = 1
17 = 8
18 = 0
19 = -1
20 = -1
21 = 1
22 = -1
23 = 0
24 = 4
25 = 0
26 = 0
27 = 0
28 = 0
29 = 0
30 = 0
31 = 2
32 = 0