import java.util.Scanner;

public class Wakaseki {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String left = s.next(),right = s.next();
		//System.out.println(left + "  " + right);
		s.close();
		if(left.equals("0") && right.equals("0")){
			System.out.println("E");
		}else if(left.equals("0") || right.equals("0")){
			System.out.println("S");
		}else if(left.equals("1") || right.equals("1")){
			System.out.println("S");
		}else if(left.equals("2") && right.equals("2")){
			System.out.println("E");
		}else{
			System.out.println("P");
		}
	}

}