#include <bits/stdc++.h>
using namespace std;

int main(){
	string s,s2;
	cin >> s >> s2;
	if(s=="0"&&s2=="0" || s=="2"&&s2=="2") cout << "E";
	else if(s=="0"||s2=="0"||s=="1"||s2=="1") cout << "S";
	else cout << "P";
	cout << endl;
	return 0;
}