#include <iostream>
#include <algorithm>
using namespace std;
 
int main(){
    string A, B;
    cin >> A >> B;
    if((min(A, B) == "0" && max(A, B) != "0") || A == "1" || B == "1"){
        cout << "S" << endl;
    }else if((A == "0" && B == "0") || (A == "2" && B == "2")){
        cout << "E" << endl;
    }else{
        cout << "P" << endl;
    }
}