#include <iostream>
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 == "1" || b == "1" || a == "0" || b == "0"){
        cout << "S" << endl;
    }else{
        cout << "P" << endl;
    }
}