#include <iostream>
#include <algorithm>
#include <vector>
#include <string>

int main() {
    std::string s, t;

    std::cin >> s >> t;

    if ((s == "2" && t == "2") || (s == "0" && t == "0")) {
        std::cout << "E" << std::endl;
    } else if(t == "1" || s == "1" || s == "0" || t == "0") {
        std::cout << "S" << std::endl;
    } else {
        std::cout << "P" << std::endl;
    }

    return 0;
}