#include<bits/stdc++.h>
using namespace std;

int main() {
    int A,B;
    cin >> A >> B;
    if(A == 0) {
        cout << 0 << endl;
    }
    else if(B%A == 0) {
        cout << B/A << endl;
    }
    else {
        cout << "NO" << endl;
    }
}