#include <iostream>
//#include<atcoder/all>
#include <numeric>
#include <cmath>
#include <limits>
#include <stdio.h>
#include <iomanip>
#include <string> 
#include <vector>
#include <algorithm>
#include <utility> 
#include <tuple> 
#include <cstdint> 
#include <cstdio> 
#include <map> 
#include <queue>
#include <set> 
#include <stack> 
#include <deque> 
#include <unordered_map> 
#include <unordered_set>
#include <bitset> 
#include <cctype>
//using namespace atcoder;
using namespace std;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<pair<ll, ll>>>;
int main() {
	string A, B;
	cin >> A >> B;
	if (A == "0") {
		if (B == "0")cout << 'E' << endl;
		else cout << "S" << endl;
	}
	else if (B == "0") {
		cout << "S" << endl;
	}
	else if (A == "1"||B=="1") {
		cout << "S" << endl;
	}
	else if (A == "2" && B == "2") {
		cout << "E" << endl;
	}
	else {
		cout << "P" << endl;
	}


}