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

namespace yuki441
{
    class Program
    {
        static void Main(string[] args)
        {
            var t = Console.ReadLine().Split();
            if (t[0] == "0" && t[1] == "0")
            {
                Console.WriteLine("E");
            }
            else if (t[0] == "0" || t[1] == "0")
            {
                Console.WriteLine("S");
            }
            else if (t[0] == "1" || t[1] == "1")
            {
                Console.WriteLine("S");
            }
            else if (t[0] == "2" && t[1] == "2")
            {
                Console.WriteLine("E");
            }
            else
            {
                Console.WriteLine("P");
            }
        }
    }
}