import Control.Monad (replicateM)
import Data.Maybe (fromJust)
import qualified Data.ByteString.Char8 as B
import Data.Array.Unboxed (UArray, (!), listArray)
import Data.Array.Unboxed as UArray

rInt :: B.ByteString -> Int
rInt = fst . fromJust . B.readInt

f777 :: Int -> UArray Int Int -> Bool
f777 n xs = f 0 0 0 where
    f l r s
        | l == n    = False
        | s == 777  = True
        | r == n    = f (l + 1) r (s - (xs ! l))
        | s < 777   = f l (r + 1) (s + (xs ! r))
        | otherwise = f (l + 1) r (s - (xs ! l))

solve :: Int -> [[Int]] -> String
solve n as = if any (f777 n) as' then "YES" else "NO" where
    ze = replicate n 0
    as' = map (listArray (0, n - 1)) $ scanl (zipWith (+)) ze as
{--}
main = do
    [n, m] <- map rInt . B.words <$> B.getLine
    as <- map (map rInt . B.words) <$> replicateM m B.getLine
    putStrLn $ solve n as