#include <cstdio>
#include <iostream>
#include <string>
using namespace std;
int main(){
  string a,b;
  cin >> a >> b;
  if(a=="0" && b=="0")cout << "E" << endl;
  else if((a=="0" && b!="0") || (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;
}