#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  string a, b;
  cin >> a >> b;

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

  return 0;
}