function title = p21_title ( )

%*****************************************************************************80
%
%% p21_title() specifies the title for problem 21.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    02 March 2026
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    string TITLE, the problem title.
%
  title = 'McKeown problem 1.';

  return
end
