Problems
Prime number?
Prime number?
Check if the given number is prime. The number is prime if it has no more than two divisors: $1$ and the number itself.
\InputFile
One positive signed $32$-bit integer $n$.
\OutputFile
Print "\textbf{Yes}" if the number is prime, and "\textbf{No}" otherwise.
Input example #1
5
Output example #1
Yes
Input example #2
12
Output example #2
No