#include <bits/stdc++.h>
using namespace std;


int main(){
    string str1, str2;

    cin >> str1 >> str2;

    if((str1 == "2" && str2 == "2") || (str1 == "0" && str2 == "0")){
        cout << "E" << endl;
    }else if((str1 == "1" || str2 == "1") || (str1 > "1" && str2 < "1") || (str1 < "1" && str2 > "1")){
        cout << "S" << endl;
    }else{
        cout << "P" << endl;
    }

    return 0;
}