import java.util.*;

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