#include <bits/stdc++.h>
#define pb push_back
#define lb lower_bound
#define fi first
#define se second
using namespace std;
using pii = pair<int,int>;
const int maxn = 2e5+5;
const int inf = 2e9;
const int mod = 1e9+7;

signed main() {
	//freopen("in","r",stdin) ; freopen("out","w",stdout);
	ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0);
	string s;
	while(getline(cin,s)) {
		cout.flush();
		cout << "NO" << endl;
		cout.flush();
	}
}