#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>
#include <bitset>
#include <cassert>

using namespace std;


int main() {

    string A, B;
    cin >> A >> B;
    if (
            (A == "1" or B == "1") or
            (A == "0" and B != "0") or (A != "0" and B == "0")
            ) {
        cout << "S" << endl;
    } else if (
            (A == "0" and B == "0") or (A == "2" and B == "2")) {
        cout << "E" << endl;
    } else {
        cout << "P" << endl;
    }


}