(define (block-count L lis)
  (define (count lis sum ans)
    (if (or (null? lis) (> (+ sum (car lis)) L)) ans
        (count (cdr lis) (+ sum (car lis)) (+ ans 1))))
  (count (sort lis) 0 0))

(define (create-list n)
  (if (= n 0) '()
      (cons (read) (create-list (- n 1)))))

(define (main args)
  (let* ((L (read))
         (N (read)))
    (print (block-count L (create-list N)))) 0)