URI Online Judge | 2679
# Even Successor

**Time limit: 1**

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** < 10^{7}.

A line containing the answer to the problem.

Input Sample | Output Sample |

1 |
2 |