Find all 3-digit integers less than the specified number. (Pascal)

var a, b: integer;
begin

cls;
write (‘Enter a three-digit number:’);
readln (a);
writeln (‘Three-digit numbers, less than the specified number:’);
for b: = 100 to 999 do // since all numbers from 100 to 999, including 100 and 999, are three-digit.
begin
if b <a then writeln (b);
end;
end.



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