#include<bits/stdc++.h>
#define endl "\n"
#define FASTIO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
typedef long long int ll;
const int INF = 1e9;

using namespace std;

int main()
{
    FASTIO
    int i, j, n, t, ele, ans;
    cin>>t>>ele>>ans;
    string s;
    cout<<"FU"<<endl;
    cin>>s;
    return 0;
}