def check(i,d):
    p = dp = q = 0
    dq = 1<<i
    while d:
        np = 0
        for j,sj in enumerate(bin(dq)[:1:-1]):
            if sj=="1": np |= e[j]
        dp = np^p
        p = np
        if p == M: return 1
        d -= 1
        if d==0: break
        p,q,dp,dq = q,p,dq,dp

    return 0

import sys
input = sys.stdin.readline
v,d = map(int,input().split())
d = min(4001,d)
e = [int(input()[::-1],2) for _ in range(v)]
M = (1<<v) - 1
for i in range(min(100,v)):
    if not check(i,d):
        print("No")
        exit()
print("Yes")