#include <iostream>
#include <string>
using namespace std;
using ll = long long;

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