#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "unordered_map"
#include "unordered_set"
#include "iomanip"
#include "cmath"
#include "random"
#include "bitset"
#include "cstdio"
#include "numeric"
#include "cassert"
#include "ctime"

using namespace std;

constexpr long long int MOD = 1000000007;
//constexpr int MOD = 1000000007;
//constexpr int MOD = 998244353;
//constexpr long long int MOD = 998244353;
constexpr double EPS = 1e-12;

//int N, M, K, T, H, W, L, R;
long long int N, M, K, T, H, W, L, R;


int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

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