(define yuki607
  (let*
    (
      (input (read-line))
      (n-m (map string->number (string-split input " ")))
      (n (car n-m))
      (m (cadr n-m))
      (r (make-vector n 0))
      (flag 0)
    )
    (define (process-line line)
      (let*
        (
          (a (map string->number (string-split line " ")))
          (d (list 0))
          (c 0)
        )
        (for-each
          (lambda (i)
            (vector-set! r i (+ (vector-ref r i) (list-ref a i)))
            (set! c (+ c (vector-ref r i)))
            (when (member (- c 777) d) (set! flag 1))
            (set! d (cons c d)))
          (iota n)
        )))
    (for-each
      (lambda (_) (process-line (read-line)))
      (iota m))
    (if (= flag 1)
      (display "YES\n")
      (display "NO\n"))))