# Is Prime

RMSTU Technological Festi...
Limits 1s, 512 MB

Given an integer $N$, determine if it is a prime a number.

A number is called prime if it is only divisible by itself.

## Input

The input will contain one integer $N$ ($0 < N < 1000$).

## Output

Print $\texttt{Yes}$ if the integer is prime, otherwise $\texttt{No}$.

## Sample

InputOutput
7
Yes