import java.util.Scanner;

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