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

	else cout << "P" << endl;
	

	return 0;
}