#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>
#include <sstream>

using namespace std;

int main(){
	int i, j;
	string a, b;

	cin >> a >> b;

	if (a == "0" && b == "0") {
		cout << "E" << endl;
	}
	else if (a == "1" || b == "1" || a == "0" || b == "0") {

		cout << "S" << endl;

	}
	else if (a == "2" && b == "2") {
		cout << "E" << endl;
	}
	else {
		cout << "P" << endl;
	}






	getchar();
	getchar();
	return 0;
}