import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        try (Scanner scan = new Scanner(System.in)) {
            long N = scan.nextLong();
            
            int count = 0;
            for(int i=2; i<=Math.sqrt(N); i++) {
                while(N % i == 0) {
                    N /= i;
                    count++;
                }
            }
            if(N > 1) count++;
            
            if(count>=3) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
}