#include <bits/stdc++.h>
using namespace std;
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
int main()
{
    string A, B;
    cin >> A >> B;
    if( ( A == "0" && B == "0" ) || ( A == "2" && B == "2" ) )
    {
        cout << "E" << endl;
        return 0;
    }
    else if( A == "0" || B == "0" || A == "1" || B == "1" )
    {
        cout << "S" << endl;
        return 0;
    }
    cout << "P" << endl;
    return 0;
}