import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

N,M = map(int,readline().split())
As = np.array(read().split(),np.int64).reshape(M,N)

np.cumsum(As, out=As, axis=0)

def find_777(A):
    Acum = np.zeros(len(A) + 1)
    Acum[1:] = np.cumsum(A)
    x = np.searchsorted(Acum, Acum+777, 'right')
    x -= np.searchsorted(Acum, Acum+777, 'left')
    return np.any(x)

answer = 'YES' if any(find_777(A) for A in As) else 'NO'
print(answer)