import java.util.Scanner;

public class A{
    public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        int a = Integer.parseInt(s.next());
        int b = Integer.parseInt(s.next());
        double ans;

        ans = (double)a / b;

        if(ans % 1 ==0){
        	System.out.println((int)ans);
        } else{
        	System.out.println("NO");
        }
    }
}