#include<iostream>
#include<vector>
#include<string>
#include<cstdio>
using namespace std;
int main(){
    int A,B,C;
    cin >> A >> B;
    C = B/A;
    if(B/C==0){
        cout << C;
    }
    else{
        cout << "NO";
    }
    return 0;
}