Good or Bad

int t;
    cin >> t;
    while (t--)
    {
        string s;
        cin >> s;
        bool check = 0;
        for (int i = 0; i < s.size() - 3; i++)
        {
            string x;
            x = s.substr(i, 3);
            if (x == "010" || x == "101")
                check = 1;
            else
            {
                check = 0;
                break;
            }
        }
        if (check)
            cout << "Good" << nl;
        else
            cout << "Bad" << nl;
    }


int t;
    cin >> t;
    while(t--)
    {
        string s;
        cin >> s;
        bool check = true;
        for (int i = 0; i < s.size()-1;i++)
        {
            if(s[i]==s[i+1])
            {
                cout << "Bad"<<nl;
                check = false;
                break;
            }
        }
        if(check)
         cout << "Good" << nl;
    }