How to Grayscale Image in SAS - Code Snippet

* Task: Grayscale Image
* Language: SAS

%macro grayscale_image() 
    * Implementation for Grayscale Image
    %let result = ...; * Initialize variable
    * TODO: Implement core logic here
    * Step 1: Prepare data
    * Step 2: Process Grayscale Image
    %put("Done");
%mend;