import java.util.Scanner;
public class No36 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println(check(sc.nextLong())?"YES":"NO");
    }
    public static boolean check(Long n) {
    	int count=0;
        if (n < 29) return false;
        for (int i = 3; i*i <= n; i += 1){
            if (n % i == 0) count++;  
        }
        if(count>=3)return true;  
        return false;
    }
}