#include <iostream>
using namespace std;

int main() {
  long long int a, b;
  cin >> a >> b;

  if (a == 0 || b == 0) {
    cout << "S" << endl;
  } else if (a == 1 && b == 1) {
    cout << "P" << endl;
  } else if (a == 1 || b == 1) {
    cout << "S" << endl;
  } else if (a == 2 && b == 2) {
    cout << "E" << endl;
  } else {
    cout << "P" << endl;
  }



}