#include <bits/stdc++.h>
#define PI 3.14159265359
using namespace std;

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

	char ans = 'P';
	if (A == "0" && B == "0") ans = 'E';
	if (A == "2" && B == "2") ans = 'E';
	if (A == "1" || B == "1") ans = 'S';
	if (A == "0" || B == "0") ans = 'S';

	cout << ans << endl;
}