#include<iostream>
#include<string>

using namespace std;

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"){
        cout << "S" << endl;
    }else if(b == "0" || b == "1"){
        cout << "S" << endl;
    }else{
        cout << "P" << endl;
    }
    return 0;
}