function region = p04_region ( dummy )

%% P04_REGION returns the name of the integration region for problem 04.
%
%  Modified:
%
%    18 March 2007
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, string REGION, the name of the integration region.
%
  region = 'box';