C = 777
N, M = gets.split.map &:to_i
a = [0] * N
$<.map{|s|
  b = s.split.map &:to_i
  a = a.zip(b).map(&:sum)
  l = -1
  r = 0
  sum = a[0]
  loop{
    case sum <=> C
    when -1;
      break if r >= N-1
      sum += a[r+=1]
    when 0
      puts :YES
      exit
    when 1; sum -= a[l+=1]
    end
  }
}
puts :NO