using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static uint NN => uint.Parse(ReadLine());
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        WriteLine(n == 1 ? "square1001" : "Petr");
    }
}