Code : 

REPORT ZVP_PALINDROME.

PARAMETERS: S_NUM TYPE CHAR10.

DATA: REVERSE  TYPE CHAR10.

CALL FUNCTION 'STRING_REVERSE'
  EXPORTING
    STRING  = S_NUM
    LANG    = SY-LANGU
  IMPORTING
    RSTRING = REVERSE
* EXCEPTIONS
*   TOO_SMALL       = 1
*   OTHERS  = 2
  .
IF S_NUM EQ REVERSE.
  WRITE:/ 'PALINDROME'.
ELSE.
  WRITE:/ 'NOT PALINDROME'.
ENDIF.

Output :




IDE Used To Test This Code : ABAP Editor.

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