import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) {
	      BufferedReader stdReader =new BufferedReader(new InputStreamReader(System.in));
	      try {
	    	  long num = Long.parseLong(stdReader.readLine());
	    	  int count = 0;
	    	  for(long i=2;i*i<num+1;i++){
	    		  while(num%i==0){
	    			  num /= i;
	    			  count++;
	    		  }
	    	  }	    	  
	    	  if(num>1) count++;
	    	  if(count >= 3) System.out.println("YES");
	    	  else System.out.println("NO");

	      } catch (IOException e) {
			e.printStackTrace();
	      }
	}
	
}