Problem:
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.

Solution in Rust (1.42.0) (judge verdict: Accepted)

use proconio::input;


fn main() {
    
    let  a : [i128 ; 3 ] = [ 7 ,5 , 3 ];
    let mut _x : i128 ;
    input!{

   x: i128 , 
 
   }

   if a.contains(&x){
       println!("YES");
   }else{
       println!("NO");
   }
}