#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
#include <string>
#include <algorithm>
#include <iostream>
#define clr(a,b) memset(a,b,sizeof(a))
#define ll long long
using namespace std;
const int maxn=1e3+10;
int n,ans;
int main()
{
printf("FFT\n");
}