import java.util.*;
public class Main
{
	public static void main(String[] args) {
		System.out.println("Hello World");
		int n=52;
		for(int i=2;i<=Math.sqrt(n);i++){
		    if(n%i==0){
		        System.out.print("YES");
		        System.exit(1);
		    }
		    
		      
		}
		
		        System.out.println("NOT");
		    
	}
}