#define _CRT_SECURE_NO_WARNINGS
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <vector>
#include <iostream>
#include <string>
#include <algorithm>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <functional> 
#include <typeinfo>
typedef unsigned long long ull;
typedef long long ll;
using namespace std;
int main() {
	string A, B;
	cin >> A >> B;
	if (A == B && (A == "2" || A == "0")) {
		cout << "E" << endl;
	}
	else if (A == "0" || A == "1" || B == "0" || B == "1") {
		cout << "S" << endl;
	}
	else {
		cout << "P" << endl;
	}
}