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 < 30) return false;
        if (n % 2 == 0) return true;
        for (int i = 3; i <= Math.sqrt(n); i += 2){
            if (n % i == 0) count++;
        if(count>=3)return true;    
        }
        return false;
    }
}