#include <iostream>
using namespace std;
int main(){
    char ch;
    cin >> ch;
    if(isupper(ch)&&isalpha(ch)){
        cout << "GOLEMA"<<endl;
    }
    else if(islower(ch) && isalpha(ch)){
        cout <<"MALA"<<endl;
    }
    else{
        cout <<"GRESKA"<<endl;
    }





    return 0;
}