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

namespace YukiCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            var va  = Console.ReadLine().Split().ToArray();
            var sa = new string(va[0].SkipWhile(c => c == '0').ToArray());
            var sb = new string(va[1].SkipWhile(c => c == '0').ToArray());
            var S = (sa == ""  && sb == "" ) ? "E"
                  : (sa == "2" && sb == "2") ? "E"
                  : (sa == ""  || sb == ""  || sa == "1"  || sb == "1") ? "S"
                  : "P";
            Console.WriteLine(S);
            Console.ReadLine();
        }
    }
}