using System;
using System.Linq;

namespace No441{
    public class Program{
        public static void Main(string[] args){
            var input = Console.ReadLine().Split();
            var res = 0;
            if(input.Any(s => s == "0") || input.Any(s => s == "1")) res = 1;
            if(input.All(s => s == "0") || input.All(s => s == "2")) res = 2;
            Console.WriteLine("PSE"[res]);
        }
    }
}