Even Successor
By Emílio Wuerges, UFFS 
Brazil
By Emílio Wuerges, UFFS Brazil
To get you ready for the other problems, lets perform a test. Given a number X, return the smallest even number larger than X.
A line containing a single number 0 < X < 107.
A line containing the answer to the problem.
| Input Sample | Output Sample |
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1 |
2 |