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();
    String ans = "";
    if(A.equals("0")) {
      if(B.equals("0")) {
        ans = "E";
      } else {
        ans = "S";
      }  
    } else if(A.equals("1")) {
      ans = "S";
    } else if(A.equals("2")) {
      if(B.equals("0")) {
        ans = "S";
      } else if(B.equals("1")) {
        ans = "S";
      } else if(B.equals("2")) {
        ans = "E";
      } else {
        ans = "P";
      }
    } else {
      if(B.equals("0")) {
        ans = "S";
      } else if(B.equals("1")) {
        ans = "S";
      } else {
        ans = "P";
      }  
    }
    System.out.println(ans);
  }
}