#include <bits/stdc++.h>
using namespace std;

int main()
{
	string A, B;
	cin >> A >> B;

	string ans = "P";
	if( A == "0" && B == "0" || A == "2" && B == "2" ) ans = "E";
	else if( A == "1" && B == "1" || A == "0" && B != "0" || A != "0" && B == "0" || A == "1" && B != "1" || A != "1" && B == "1" ) ans = "S";

	cout << ans << endl;
}