using System;

public class Hello
{
    public static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        Console.WriteLine(check(line[0],line[1]));
    }
    public static string check(string a, string b)
    {
        if (a == "0" && b == "0") return "E";
        else if (a == "0" | b == "0") return "S";
        else if (a == "1" && b == "1") return "S";
        else if (a == "1" | b == "1") return "S";
        else if (a == "2" && b == "2") return "E";
        else return "P";
    }
}