#include <iostream>
using namespace std;

int main()
{
  string A,B;

  cin >> A;
  cin >> B;

  if((A == "0" && B == "0") || (A == "2" && B == "2"))
    cout << "E" << endl;
  else if(A == "1" || B == "1" || A == "0" || B == "0")
    cout << "S" << endl;
  else
    cout << "P" << endl;

  return 0;
}