import java.util.Scanner;
public class Houteisiki {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner sc = new Scanner(System.in);
		
		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		
		if(b/a -(double)b/(double)a == 0){
			System.out.println(b/a);
		}else{
			System.out.println("NO");
		}

	}

}