import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final String fst = sc.next();
		final String snd = sc.next();
		
		if(fst.equals("0") && snd.equals("0")){
			System.out.println("E");
		}else if(fst.equals("0") || snd.equals("0")){
			System.out.println("S");
		}else if(fst.equals("1") || snd.equals("1")){
			System.out.println("S");
		}else if(fst.equals("2") && snd.equals("2")){
			System.out.println("E");
		}else{
			System.out.println("P");
		}
	}

}