Определить, делится ли данное положительное целое число на 3 и на 5.Программа Pascal

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program CheckDivisibility;

var
num: integer;

begin
writeln('Enter a positive integer: ');
readln(num);

if (num mod 3 = 0) and (num mod 5 = 0) then
writeln(num, ' is divisible by both 3 and 5.')
else if num mod 3 = 0 then
writeln(num, ' is divisible by 3 but not by 5.')
else if num mod 5 = 0 then
writeln(num, ' is divisible by 5 but not by 3.')
else
writeln(num, ' is not divisible by either 3 or 5.');

end.