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

string a, b;

int main() {
	cin >> a >> b;
	
	if (a.length() >= 2 && b.length() >= 2) { cout << "P" << endl; return 0; }
	if (a.length() > b.length() || (a.length() == b.length() && a[0] > b[0])) swap(a, b);
	
	if (a[0] >= '3') { cout << "P" << endl; return 0; }
	if (a[0] == '2') { cout << ((b.length() == 1 && b[0] == '2') ? "E" : "P") << endl; return 0; }
	if (a[0] == '1') { cout << "S" << endl; return 0; }
	if (a[0] == '0') { cout << ((b.length() == 1 && b[0] == '0') ? "E" : "S") << endl; }
	return 0;
}