#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <utility>
#include <iomanip>
using namespace std;

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