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

int max(int a, int b) {
	int x = (a > b) ? a : b;
	return x;
}

int min(int a, int b) {
	int x = (a < b) ? a : b;
	return x;
}

int main() {
	int n, m;
	bool judge = true;
	cin >> n >> m;
	for (int i = -100; i < 100; i++) {
		if (n*i == m) {
			judge = false;
			cout << i << endl;
		}
	}
	if (judge) cout << "No" << endl;
	return 0;
}