private static void Step3983()
 {
     Console.WriteLine();
     Console.WriteLine("3983");
     int[] in3983 = { 5, 23, 51, 0, -7 };
     for (int i = 0; i < in3983.Length; i++)
     {
         try
         {
             StringBuilder result = Lab06.Task3983(new StringBuilder(), in3983[i]);
             Console.WriteLine(result.ToString());
         }
         catch (Exception e)
         {
             Console.WriteLine(e.Message);
         }
     }
 }