#include <bits/stdc++.h>
using namespace std;

int main()
{
	int A, B;
	cin >> A >> B;

	string ans = "NO";
	if( B % A == 0 ) {
		int x = B / A;
		char c[16];
		sprintf( c, "%d", x );
		ans = c;
	}

	cout << ans << endl;
}