#include<iostream>
#include<string>
#include<algorithm>
#include<functional>
#include<vector>
#include<set>
#include<queue>
#include<list>
#include<stdio.h>
#include<stdlib.h>
#include<map>

using namespace std;

int main() {

	string a;
	string b;

	cin >> a >> b;

	if ((a == "0" && b == "0")|| (a == "2" && b == "2")) {
		cout << "E" << endl;
	}
	else if (a == "0" || b == "1" || a == "1" || b == "0"){
		cout << "S" << endl;
	}
	else {
		cout << "P" << endl;
	}

	return 0;
}