       IDENTIFICATION DIVISION.
       program-id. oefening-13D.
       author. Levy De Vos.
       date-written. 03-november-04.

       environment division.
        configuration section.
         source-computer. pc.
         object-computer. pc.
       input-output section.
       file-control.


       DATA DIVISION.

       WORKING-STORAGE SECTION.

       PROCEDURE DIVISION.
