# Practice on Toph

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## Is Prime

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 “Yes” if the integer is prime, otherwise “No”.

#### Samples

Input | Output |
---|---|

7 | Yes |