#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cstring>
#include<string.h>
#include<map>
#include<queue>
#include<vector>
#include<algorithm>
using namespace std;
const int maxn=100000;
typedef long long ll;
int main(){
	printf("FFT\n");
	return 0;
}