//No.485 方程式のお勉強


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

int main()
{
int A;
int B;

	cin >> A;
	cin >> B;
	if( B % A == 0 )
		cout << B / A << endl;
	else
		cout << "NO" << endl;

	return 0;
}