#include <bits/stdc++.h> 
using namespace std;

int main(void) {
  string a, b; cin >> a >> b;
  if (a == "0" && b == "0") {
    cout << "E" << endl;
    return 0;
  }
  if (a == "0" || b == "0") {
    cout << "S" << endl;
    return 0;
  }
  if (a == "1" || b == "1") {
    cout << "S" << endl;
    return 0;
  }
  if (a == "2" && b == "2") {
    cout << "E" << endl;
    return 0;
  }

  cout << "P" << endl;
  return 0;
}