Competitions

# Factorization.

# Hometask

Kolya is still trying to pass a test on Numbers Theory. The lecturer is so desperate about Kolya's knowledge that she gives him the same task every time.

The problem is to check if **n!** is divisible by `n`

.^{2}

#### Input

One integer **n** (**1** ≤ **n** ≤ `10`

).^{9}

#### Output

Print "**YES**" if **n!** is divisible by `n`

, otherwise print "^{2}**NO**".

Input example #1

3

Output example #1

NO