cin >> now_num;
    min_num = max_num = now_num;
    while (now_num != -999)
    {
        if (max_num < now_num)
            max_num = now_num;
        if (min_num > now_num)
            min_num = now_num;
        cin >> now_num;
    }
    cout << min_num << ' ' << max_num;