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

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