import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());

        if((double)b/(double)a-b/a==0){
            System.out.println(b/a);
        }else{
            System.out.println("NO");
        }
    }
}