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?

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.

Constraints

• 1 ≤ X ≤ 9
• X is an integer.

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.

见题面 Input 部分

见题面 Output 部分