#include <iostream>
#include <string>
using namespace std;

int main() {
	string a, b;
	cin >> a >> b;
	if (a == "0" || b == "0") {
		if (a == "0" && b == "0")
			cout << "E" << endl;
		else
			cout << "S" << endl;
	}
	else if (a == "1" || b == "1")
		cout << "S" << endl;
	else if (a == "2"&&b == "2")
		cout << "E" << endl;
	else
		cout << "P" << endl;
	return 0;
}