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Contest: Task: Related: TaskB

Score : $100$ points

Problem Statement

Shichi-Go-San (literally "Seven-Five-Three") is a traditional event in a certain country to celebrate the growth of seven-, five- and three-year-old children.

Takahashi is now $X$ years old. Will his growth be celebrated in Shichi-Go-San this time?

Constraints

  • $1 ≤ X ≤ 9$
  • $X$ is an integer.

Input

Input is given from Standard Input in the following format:

$X$

Output

If Takahashi's growth will be celebrated, print YES; if it will not, print NO.

Sample Input 1

5

Sample Output 1

YES

The growth of a five-year-old child will be celebrated.

Sample Input 2

6

Sample Output 2

NO

See you next year.