#include <iostream>
#include <cstdlib>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <deque>

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