(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((s (read-line))
         (3rd 0)
         (5th 0)
         (d 1))
    (loop for c across s do
          (let ((i (digit-char-p c)))
            (incf 3rd i)
            (incf 5th (* i d))
            (setf d (* d -1))))
    (format t "~a~%" (cond ((and (zerop (mod 3rd 3)) (zerop (mod 5th 5)))
                             "FizzBuzz")
                           ((zerop (mod 3rd 3))
                             "Fizz")
                           ((zerop (mod 5th 5))
                             "Buzz")
                           (t
                             s)))))

(main)