import java.util.*;

public class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		String a = sc.next();
		String b = sc.next();
		if (a.equals("0")&&b.equals("0") || a.equals("2")&&b.equals("2")) {System.out.println("E");}
		else if (a.equals("0")==true&&b.equals("0")==false || a.equals("0")==false&&b.equals("0")==true) {
			System.out.println("S");
		}
		else if (a.equals("1")==true&&b.equals("1")==false || a.equals("1")==false&&b.equals("1")==true) {
			System.out.println("S");
		}
		else if (a.equals("1")&&b.equals("1")) {
			System.out.println("S");
		}
		else {
			System.out.println("P");
		}
	}
}