#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<map>
#include<vector>
#include<queue>
using namespace std;
typedef long long ll;

int main(){

  int a, b;
  cin >> a >> b;
  if(b==0 || b%a!=0){
    cout << "NO" << endl;
  } else {
    cout << b/a << endl;
  }

  return 0;
}