#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <algorithm>
#include <sstream>
#include <iostream>
#include <string>
#include <cstdio>
#include <cmath>

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 == "1" || B == "1") || (A != "0" && B == "0") || (A == "0" && B != "0")) {
		cout << "S" << endl;
	}
	else {
		cout << "P" << endl;
	}

	return 0;
}