2
= 0
5
= 0
1
= 1
5
= 0
3
= 0
7
= 5
7
= 1
4
= 0
5
= 4
9
= 9
= 0 = 0
= 1 = 0 = 0 = 5 = 1 = 0 = 4 = 9
= 0 = 0 = 1 = 0 = 0 = 5 = 1 = 0 = 4 = 9