#include <iostream>
#include <string>

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