(defun fizzbuzz (n)
  (cond
   ((= (% n 15) 0) "FizzBuzz")
   ((= (% n 5) 0) "Buzz")
   ((= (% n 3) 0) "Fizz")
   (t n)))				; => fizzbuzz

(fizzbuzz 10)				; => "Buzz"
(fizzbuzz 2)				; => 2