2 last characters of a string

DATA: int TYPE I, PEP TYPE C,

AUX_PEP TYPE /BI0/OIWBS_ELEMT.

CLEAR: INT, AUX_PEP.

PEP = COMM_STRUCTURE-WBS_ELEMT.

DESCRIBE FIELD PEp LENGTH INT IN CHARACTER MODE.

INT = INT - 2.

* result value of the routine

AUX_PEP = COMM_STRUCTURE-WBS_ELEMT+INT(2).

IF AUX_PEP ca SY-ABCDE.

RESULT = AUX_PEP.

ELSE.

RESULT = 99.

ENDIF.