$ SET SOURCEFORMAT"FREE"
IDENTIFICATION DIVISION.
PROGRAM-ID.  Iteration-If.
AUTHOR.  Michael Coughlan.

DATA DIVISION.
WORKING-STORAGE SECTION.
01  Num1           PIC 9  VALUE ZEROS.
01  Num2           PIC 9  VALUE ZEROS.
01  Result         PIC 99 VALUE ZEROS.
01  Operator       PIC X  VALUE SPACE.

PROCEDURE DIVISION.
Calculator.
    PERFORM 3 TIMES
       DISPLAY "Enter First Number      : " WITH NO ADVANCING
       ACCEPT Num1
       DISPLAY "Enter Second Number     : " WITH NO ADVANCING
       ACCEPT Num2
       DISPLAY "Enter operator (+ or *) : " WITH NO ADVANCING
       ACCEPT Operator
       IF Operator = "+" THEN
          ADD Num1, Num2 GIVING Result
       END-IF
       IF Operator = "*" THEN
          MULTIPLY Num1 BY Num2 GIVING Result
       END-IF
       DISPLAY "Result is = ", Result
    END-PERFORM.
    STOP RUN.