import numpy as np

def densya():
	N, M = map(int, input().split())
	n = np.zeros(N)

	ans = False

	for i in range(M):
		add = np.array(list(map(int, input().split())))
		n = n + add

		for j in range(M):
			sum = 0
			count = 0
			while sum < 777:
				if j + count >= M:
					break
				sum += n[j + count]
				count += 1

				if sum == 777:
					ans = True

	return ans

if densya():
	print("YES")
else:
	print("NO")