9
2
4
8
B. 2
22030
220030
23030
24030
4
1
2
3
7
8
9
10
0
2
3
7
5
3
4
6
n is odd and n*n is even
n*n is odd
n is even
n*n is odd
1
5
7
0
54
81
162
243
3
5
7
9
1691100843
4591100843
4691100843
3691100843
1212120010
1212120000
1212120011
1212121010
9
2
4
8
9
13
15
12
5865863355
5665863355
4865863355
4665863355
586411
586413
486411
486413
2
4
0
1
70578
82578
80578
80568
11 only
19 only
both 11 and 19
neither 11 nor 19
3
4
5
6
132288
142088
142188
142288
9900
9999
9988
9944
4155
2321
3155
None of above
23
18
38
28
1608249
1508249
1408249
1708249