#include <bits/stdc++.h>
#define rep(i,n)for(long long i=0;i<(n);i++)
using namespace std;
typedef long long ll;
const int MOD=1e9+7;
const int MAX = 1000000;
const int INF = 1e9;
const double pi=acos(-1);
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")||(a=="1" && b=="2")||(a=="2" && b=="1")||a=="0"||b=="0")cout << "S" << endl;
  else cout << "P" << endl;
  return 0;
}