#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=="1"||b=="1")cout << "S" << endl;
  else if((a=="0"&&b!="0")||(a!="0"&&b=="0"))cout << "S" << endl;
  else cout << "P" << endl;
  return 0;
}