import java.io.PrintStream;
import java.util.Scanner;


public class Y441 {
	Scanner in = new Scanner(System.in);
	PrintStream out = new PrintStream(System.out);

	Y441() throws Exception {
		String A = in.next();
		String B = in.next();
		
		if (A.equals(B) &&
				(A.equals("0") || A.equals("1") || A.equals("2"))) {
			out.println("E");
		} else if (A.equals("0") || A.equals("1") || B.equals("0") || B.equals("1")) {
			out.println("S");
		} else {
			out.println("P");
		}
	}

	public static void main(String argv[]) throws Exception {
		new Y441();
	}
}