#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    double a,b;
    cin>>a>>b;
    if(b/a!=int(b/a)){
        cout<<"NO"<<endl;
    }
    else{
        cout<<int(b/a)<<endl;
    }
}