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 C++14 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include <bits/stdc++.h>
using namespace std;
 
int main() {
	int a,b,c;
    char d,e;
  	cin>>a;
  if(a==3||a==5||a==3)
    cout<<"YES"<<endl;
  else 
    cout<<"NO"<<endl;
 /* else if(a==23)
    cout<<"Christmas Eve Eve"<<endl;
  else
    cout<<"Christmas Eve Eve Eve"<<endl;
  */
  
  return 0;
}