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

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);  
	string a, b;
	cin >> a >> b;
	if(b > a) {
		swap(a, b);
	}
	if(a == "2" && b == "2") {
		cout << "E" << endl;
		return 0;
	}
	if(b == "0") {
		cout << "S" << endl;
		return 0;
	}
	if(b == "1") {
		cout << "S" << endl;
		return 0;
	}
	cout << "P" << endl;
	return 0;	
}