acpc2016day3B.cpp

signed main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);

    int N, d;
    cin >> N >> d;
    vi p(N);
    rep(i, N) cin >> p[i];
    int ans = 0;
    rep(i, N) ans += max(0ll, p[i] - d);
    if (ans == 0) {
        cout << "kusoge" << endl;
    } else {
        cout << ans << endl;
    }
}