#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <cstring>

using namespace std;

#define FOR(i,a,b) for (int i = (a); i < (b); i++)
#define REP(i,n) FOR(i,0,n)

typedef long long ll;

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