#include <iostream>
#include <string>

using namespace std;

int main() {
	string a, b;
	cin >> a >> b;

	char c = 'P';
	if (a == "0" || b == "0") {
		c = a == b ? 'E' : 'S';
	} else if (a == "1" || b == "1") {
		c = 'S';
	} else if (a == "2" && a == b) {
		c = 'E';
	}

	cout << c << endl;
	return 0;
}