#include <iostream>
using namespace std;

int main()
{
  unsigned long long int A,B;

  cin >> A >> B;

  if(A == 0 || B == 0 || A == 1 || B == 1)
    cout << "S" << endl;
  else if (A*B ==  A+B)
    cout << "E" << endl;
  else
    cout << "P" << endl;
  return 0;
}