#include <bits/stdc++.h>
using namespace std;
typedef  long long int ll;
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;


    if (n != 1)
        cout << "Petr" << endl;
    else if (n == 1)
        cout << "square1001" << endl;



    return 0;
}