#include<string>
#include<iostream>
#include<algorithm>
#include<set>
#include<math.h>
#include<vector>
#include<sstream>
#include<queue>
#include<functional>
#include<bitset>
#include<cstdio>
using namespace std;

int main() {
	string a, b;
	cin >> a >> b;
	if (a == "0" && b == "0") {
		cout << "E" << endl;
	}
	else if ((a == "0" || b == "0" )|| (a == "1" && b == "1")) {
		cout << "S" << endl;
	}
	else {
		if (a == "2" && b == "2") {
			cout << "E" << endl;
		}
		else if (a == "1" || b == "1") {
			cout << "S" << endl;
		}
		else {
			cout << "P" << endl;
		}
	}

	return 0;
}