#include <iostream>
#include <string>
using namespace std;

int main()
{
    string a,b;
    cin >> a >> b;

    if((a == "2" && b == "2") || (a == "0" && b == "0"))
        cout << 'E' << endl;
    else
        cout << (a == "0" || b == "0" || a == "1" || b == "1" ? 'S' : 'P') << endl;
    
    return 0;
}