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

int main() {
  string A, B;
  cin >> A >> B;

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