#include<iostream>
#include<algorithm>
#include <vector>
#include<cmath>
#include<iomanip>
#include<queue>
using namespace std;
typedef long long int lint;
int main() {
	string A, B;
	cin >> A >> B;
	if ((A == "0" && B != "0")||(A!="0"&&B=="0")) {
		cout << 'S' << endl;
	}
	else if (A == "1" || B == "1") {
		cout << 'S' << endl;
	}
	else if ((A == "2" && B == "2")||(A=="0"&&B=="0")) {
		cout << 'E' << endl;
	}
	else {
		cout << 'P' << endl;
	}
}