using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace YukiCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            long nn = long.Parse(Console.ReadLine());
            if (nn == 1) Console.WriteLine("square1001");
            else Console.WriteLine("Petr");

            Console.ReadLine();
        }
    }
}