#include <iostream>
using namespace std;

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