def w(l):
  s,b,g=0,0,777
  for a in range(n):
    while b<n and s<g:
      s+=l[b]
      b+=1
    if s==777:return 1
    s-=l[a]
n,m=map(int,input().split())
a=[list(map(int,input().split())) for i in'.'*m]
v,b='NO',[0]*n
for i in a:
  b=[a+b for a,b in zip(b,i)]
  if w(b):
    v='YES'
    break
print(v)