day5.cs

            do
            {
                inputCopy = input;
                inputCopy += index.ToString();
                data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(inputCopy));
                if(data[0] == 0)
                {
                    if (data[1] == 0)
                    {
                        if (data[2] == 0)
                        {
                            if (data[3] == 0)
                            {
                                if (data[4] == 0)
                                {
                                    dataList.Add(data);
                                }
                            }
                        }
                    }
                }
                index++;
            } while (dataList.Count < 8);