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- PROGRAM make_a_fruit_salad;
-
- VAR apple,orange,pear,fruit : INTEGER;
-
- PROCEDURE add_the_fruit(value1,value2 : INTEGER; (* one-way *)
- VAR total : INTEGER; (* two-way *)
- value3 : INTEGER); (* one-way *)
- BEGIN
- total := value1 + value2 + value3;
- END;
-
- BEGIN (* main program *)
- apple := 4;
- orange := 5;
- pear := 7;
- add_the_fruit(apple,orange,fruit,pear);
- WRITELN('The fruit basket contains ',fruit:3,' fruits');
- END. (* of main program *)