An SAP Consultant

REPORT  ZTEST_NOTEPAD.
DATA:
      date1 LIKE sy-datum,
      date2 LIKE sy-datum,
      day   TYPE p.


START-OF-SELECTION.

  date1      = sy-datum.
  date1+6(2) = '01'.
  date1      = date1 - 1.
  day        = date1 MOD 7.
  IF day = 0.
    day = 7.
  ENDIF.

  day   = day - 1.
  date2 = date1 - day.

  WRITE: 'Last sunday of previous month is', date2.