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

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] s = Console.ReadLine().Split();
            if ((s[0] == "0" && s[1] == "0") || (s[0] == "2" && s[1] == "2")) Console.WriteLine("E");
            else if (s[0] == "0" || s[0] == "1" || s[1] == "0" || s[1] == "1") Console.WriteLine("S");
            else Console.WriteLine("P");
        }
    }
}