(define (display-loop lst plus)
  (if (null? lst) "EOF"
      (begin
        (display (car lst))
        (display plus)
        (display-loop (cdr lst) plus))))
(define (fizz-buzz start end)
  (if (> start end) '()
      (cons
       (cond
         ((= (remainder start 15) 0) "FizzBuzz")
         ((= (remainder start 3) 0) "Fizz")
         ((= (remainder start 5) 0) "Buzz")
         (else start))
       (fizz-buzz (+ start 1) end))))
(display-loop (fizz-buzz 1 (read)) "\n")