#include <iostream>


using namespace std;


int main()
{
    char c;
    cin >> c;
    
    if(isalpha(c)) {
        if(isupper(c)) {
            cout << "GOLEMA" << endl;
        }
        else {
            cout << "MALA" << endl;
        }
    }
    else {
        cout << "GRESKA" << endl;
    }
    return 0;
}