private void Remove_auto_matches(string input)
 {
     if (input.Contains(","))
     {
         Reconciliator.Remove_multiple_auto_matches(
             input.Split(',')
             .Select(x => Convert.ToInt32(x))
             .ToList());
     }
     else
     {
         Reconciliator.Remove_auto_match(Convert.ToInt32(input));
     }
     Recursively_show_auto_matches_and_get_choices();
 }