310303: CF1812B. Was it Rated?
Memory Limit：256 MB
Time Limit：1 S
Judge Style：Text Compare
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Submit：0
Solved：0
Description
B. Was it Rated?time limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputInput
The only line of the input contains a single integer $n$ ($1 \leq n \leq 25$).
ExamplesInput1Output
YESInput
15Output
NO