#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <stdio.h>
#include <cstring>
#include <queue>
#include <stack>
#include <functional>
#include <math.h>
#include <iomanip>
using namespace std;
#define Would
#define you
const int INF = 999999999;
const int MOD = 1e9 + 7;

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