#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<cmath>
#include<map>
#define int long long
using namespace std;
signed main() {
	string s;
	cin >> s;
	if (s == "otouto")cout << "e869120" << endl;
	else cout << "square1001" << endl;
}
