#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (int i = (int)a; i < (int)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF 1000000000
#define PI 3.14159265359
#define EPS 1e-12

int main(void)
{
  string a, b;
  cin >> a >> b;
  if(a == "0" && b == "0" || a == "2" && b == "2") {
    cout << "E" << endl;
    return 0;
  } else if(a == "0" || a == "1" || b == "0" || b == "1") {
    cout << "S" << endl;
    return 0;
  } else {
    cout << "P" << endl;
  }

  return 0;
}