北大Judge Girl
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-16. Even and Odd
The problem with troubleshooting is that trouble shoots back.
Problem
Testdata
0.in
0.out
1.in
1.out
10.in
10.out
2.in
2.out
3.in
3.out
4.in
4.out
5.in
5.out
6.in
6.out
7.in
7.out
8.in
8.out
9.in
9.out
a.out