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

namespace yukicodeX {
    public class ProgramX {
        public static string Solver(System.IO.TextReader reader) {
            var buf = reader.ReadLine().Split();
            if (buf[ 0 ] == "0" || buf[ 1 ] == "0" || buf[ 0 ] == "1" || buf[ 1 ] == "1") return "S";
            if (buf[ 0 ] == "2" && buf[ 1 ] == "2") return "E";
            else return "P";
        }

        private static void Main() {
            Console.WriteLine( Solver( Console.In ) );
        }
    }
}