How to Check Leap Year in SAS - Code Snippet

* Task: Check Leap Year
* Language: SAS

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