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