#include<iostream>
#include<algorithm>
#include <vector>
#include<cmath>
using namespace std;
typedef long long int lont;
int main() {
	float A, B;
	float X;
	cin >> A >> B;
	X = B / A;
	int Y = X * 100000;
	if (Y % 100000 == 0)cout << X << endl;
	else cout << "NO" << endl;
}