import java.util.*;

public class Main {

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