Input: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Output:
Divisible by 3:
3
6
9
12
15
18

Divisible by 2:
2
4
6
8
10
12
14
16
18
20

Rest:
1
5
7
11
13
17
19