#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;
#ifdef _WIN32
#include <Windows.h>
#endif

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