#include<iostream>
#include<fstream>
#include<cstdlib>
#include<iomanip>
#include<set>
#include<map>
#include<algorithm>
#include<vector>
#include<cstdio>
#include<queue>
#include<stack>
#include<cmath>
#define ll long long
#define pb push_back
#define ld long double
#define mp make_pair
#define pii pair<int, int>
using namespace std;


int main(void) {
    cout << "NO" << endl;
    return 0;
}
