//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  string S, T; cin >> S >> T;
  if(S > T) swap(S, T);

  if(S == "0"){
    if(T == "0") printl("E");
    else printl("S");
  }else if(S == "1"){
    printl("S");
  }else if(S == "2"){
    if(T == "2") printl("E");
    else printl("P");
  }else if(S == "3"){
    printl("P");
  }else printl("P");

  return 0;
}