import sys
import bisect

n, m = map(int, input().split())
a = [list(map(int, input().split())) for _ in range(m)]

for i in range(1, m):
    for j in range(n):
        a[i][j] += a[i - 1][j]

for i in range(m):
    for j in range(1, n):
        a[i][j] += a[i][j - 1]

ans = "NO"

for i in range(m):
    for j in range(n):
        d = a[i][j] - 777
        if d < 0:
            continue
        if d == 0:
            ans = "YES"
        k = bisect.bisect_left(a[i], d, 0, j)
        if k != j and a[i][j] - a[i][k] == 777:
            ans = "YES"

print(ans)