import Control.Monad
import Control.Applicative
import Data.Functor
import Data.List
import Data.List.Split
import Data.Char
import Data.Ord
import Data.Array.IO

readInt = read :: String -> Int
getInt = readLn :: IO Int
getInts = map readInt . words <$> getLine
sjoin :: (Show a) => [a] -> String
sjoin = unwords . map show
cond :: a -> a -> Bool -> a
cond t f c = if c then t else f
-- end of templete

f n = mod (div n 10) 111 == 0 || mod (mod n 1000) 111 == 0

main = cond "Yes" "No" . f <$> getInt >>= putStrLn