Code :
REPORT ZVP_TASK.

PARAMETERS: P_VAL TYPE CHAR3,
            RB1   RADIOBUTTON GROUP RBG,
            RB2   RADIOBUTTON GROUP RBG.

DATA: VAL1 TYPE CHAR3,
      VAL2 TYPE CHAR3.

IF RB1 = 'X'.
WRITE: 'PRINT 1 TO', P_VAL , 'ASCENDING ORDER'.
DO P_VAL TIMES.
VAL1 = VAL1 + 1.
WRITE:/ VAL1.
ENDDO.
ELSE.
WRITE: 'PRINT', P_VAL , 'TO 1 DESCENDING ORDER'.
DO P_VAL TIMES.
CONDENSE P_VAL NO-GAPS.
WRITE:/ P_VAL.
P_VAL = P_VAL - 1.
ENDDO.
ENDIF.

Output :



IDE Used To Test This Code : ABAP Editor.

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