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