#include <bits/stdc++.h>
using namespace std;
typedef long long ll;


int main() {
  string a, b;
  cin >> a >> b;

  if ((a == "0" && b == "0") || (a == "2" && b == "2")) {
    puts("E");
  }
  else if (a == "1" || b == "1" || a == "0" || b == "0") {
    puts("S");
  } else {
    puts("P");
  }
  return 0;
}