IDENTIFICATION DIVISION.
 PROGRAM-ID. COND01.
 ENVIRONMENT DIVISION.
 CONFIGURATION SECTION.
* INPUT-OUTPUT SECTION.
* FILE-CONTROL.
 DATA DIVISION.
 FILE SECTION.
 WORKING-STORAGE SECTION.

 01  WS-IDX	        PIC 9(3).
 01  WS-IDX1	        PIC 9(3).
 01  WS-IDX2	        PIC 9(3).
 01  IDX	        PIC 9(3).
 01  IDX2	        PIC 9(3) COMP.
 01  WS-AGE-GROUP	PIC 9(2).
     88 WS-MINOR      VALUE 1 THRU 18.
     88 WS-YADULT     VALUE 19, 20, 21, 22.
     88 WS-ADULT      VALUE 21 THRU 99.

 01  WS-DEPT-GROUP1     PIC X.
     88 WS-ACCOUNTING1  VALUE 'A', 'B', 'C'.
     88 WS-OTHER1	VALUE 'D' THRU 'Z'.

 01  WS-DEPT-GROUP	PIC 9.
     88 WS-ACCOUNTING   VALUE 2, 3.
     88 WS-OTHER        VALUE 4 THRU 9.

 01  WS-STATUS	        PIC X(1).
     88 WS-DIVORCED     VALUE 'D'.
     88 WS-MARRIED      VALUE 'M'.
     88 WS-SINGLE       VALUE 'S'.

 01  WS-FULL-NAME	PIC X(20).

 01  WS-NUMBER      pic X(10).
 
 01  WS-IF-TRACE        PIC 9.
PROCEDURE DIVISION.

A-000.
 
     DISPLAY "BEGIN: IF/ELSE TESTS".

     MOVE 1   TO IDX.
     MOVE 99  TO WS-IDX.
     MOVE 1   TO WS-IDX1.
     MOVE 2   TO WS-IDX2.
     MOVE 'M' TO WS-STATUS.
     MOVE 21  TO WS-AGE-GROUP.
     MOVE 'DAVID ESSEX' TO WS-FULL-NAME.
     MOVE "1234" TO WS-NUMBER.

     MOVE 2 TO WS-DEPT-GROUP.
     MOVE 'A' TO WS-DEPT-GROUP1.

     PERFORM A-100.
     PERFORM A-200.
     PERFORM A-300.
     PERFORM A-400.
     PERFORM A-500.
     PERFORM A-600.
     PERFORM A-650.
     PERFORM A-700.
     PERFORM A-750.
     PERFORM A-800.
     PERFORM A-900.
     PERFORM A-1000.
     PERFORM A-1100.
     PERFORM A-1200.

     STOP RUN.

A-100.
     IF ( WS-IDX1 EQUAL 1 ) AND ( WS-IDX2 EQUAL 2 )
     THEN
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE
     END-IF.
     DISPLAY "IF01:(" WS-IF-TRACE "):(1):(And)".

A-200.
     IF WS-IDX1 EQUAL 3
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE
     END-IF.
     DISPLAY "IF02:(" WS-IF-TRACE "):(2):(Simple)".

A-300.
     IF WS-IDX EQUAL 99
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF03:(" WS-IF-TRACE "):(1):(Simple 2 pos)".
      
A-400.
     IF WS-IDX NOT EQUAL 99
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE
     END-IF.
     DISPLAY "IF04:(" WS-IF-TRACE "):(2):(Simple ne)".
      
A-500.
     IF WS-MARRIED
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF05:(" WS-IF-TRACE "):(1):(Simple condition)".

A-600.
     IF WS-ADULT
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF06:(" WS-IF-TRACE "):(1):(Simple condition)".

A-650.
     IF WS-YADULT
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF07:(" WS-IF-TRACE "):(1):(Simple condition)".

A-700.
     IF WS-FULL-NAME NUMERIC
        MOVE 1 TO WS-IF-TRACE
        
     IF WS-FULL-NAME ALPHABETIC
        MOVE 2 TO WS-IF-TRACE
     ELSE
        MOVE 3 TO WS-IF-TRACE.
     DISPLAY "IF08:(" WS-IF-TRACE "):(1):(Simple class alpha)".

A-750.
     IF WS-NUMBER NUMERIC
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF09:(" WS-IF-TRACE "):(1):(Simple class num)".

A-800.
     IF WS-IDX POSITIVE
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF10:(" WS-IF-TRACE "):(1):(Simple class signed)".

A-900.
     MOVE WS-IDX1 TO WS-IDX2.
     ADD 50 TO WS-IDX2. 
     IF WS-IDX = WS-IDX1 + 50
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF11:(" WS-IF-TRACE "):(2):(Arith expression)".

A-1000.
     IF WS-ACCOUNTING
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF12:(" WS-IF-TRACE "):(1):(Simple)".

A-1100.
     IF WS-ACCOUNTING1
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE.
     DISPLAY "IF13:(" WS-IF-TRACE "):(1):(Simple)".

A-1200.
     IF WS-IDX > WS-IDX1 OR > IDX
     THEN
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE
     END-IF
     DISPLAY "IF14:(" WS-IF-TRACE "):(1):(Combined OR)".
A-1300.
     MOVE ZEROS TO WS-NUMBER
     IF WS-NUMBER IS ZEROS
     THEN
        MOVE 1 TO WS-IF-TRACE
     ELSE
        MOVE 2 TO WS-IF-TRACE
     END-IF
     DISPLAY "IF15:(" WS-IF-TRACE "):(1):(all zeros)".