PROGRAM PROG6;
{$U+          Copyright (C), 1985 by Lyle Faurot.  All rights reserved.

    New Topics: IF statement
                Conditions used with IF
}

VAR
  Have, Want  : Integer;

BEGIN
  Write('How many computers do you own? ');
  ReadLn(Have);
  Write('How many computers would you like? ');
  ReadLn(Want);
  WriteLn;

  If Have = 0         {One-way IF .. THEN }
    THEN
      WriteLn('No computer!  Give me a call at 123-4567.');

  If Have >= Want     {Two-way IF .. THEN .. ELSE }
    THEN
      WriteLn('Congratulations! Happy Computing!')
    ELSE
      WriteLn('Sorry about that!');

  If (Want - Have) > 2   {Integer expression as part of condition }
    THEN
      WriteLn('(Aren''t you a little greedy?)');

END.