(define (three-seven? l)
  (cond [(null? l) #f]
        [(member (+ 777 (car l)) (cdr l)) #t]
        [else (three-seven? (cdr l))]))

(define (read-acc n)
  (let loop ([x n]
             [l '(0)])
    (cond [(zero? x) (reverse l)]
          [else (let ([v (read)])
                  (loop (- x 1) (cons (+ (car l) v) l)))])))

(define (main args)
  (let* ([n (read)]
         [m (read)])
    (print
     (let loop ([x m]
                [l (make-list (+ n 1) 0)])
       (cond [(zero? x) "NO"]
             [else (let* ([rl (read-acc n)]
                          [nl (map + l rl)])
                     (if (three-seven? nl) "YES" (loop (- x 1) nl)))]))))
  0)