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