#include "bits/stdc++.h" using namespace std; #define DEBUG(x) cout<<#x<<": "< #define vl vector #define vii vector< vector > #define vll vector< vector > #define vs vector #define pii pair #define pis pair #define psi pair const int inf = 1000000001; const ll INF = 1e16; #define MOD 1000000007 #define mod 1000000009 #define pi 3.14159265358979323846 #define Sp(p) cout<> a >> b; if (b%a) cout << "NO" << endl; else cout << b / a << endl; return 0; }