#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
using namespace std;

//#include<bits/stdc++.h>

vector<long long int> f[1005][1005];

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

	return 0;
}