import Control.Applicative
import Data.Bool (bool)


main :: IO ()
main = solve <$> f >>= putStrLn
  where
    f = map read <$> words <$> getLine

solve :: [Int] -> String
solve [x, y] = bool "No" "Yes" $ even a && even b && a >= 0 && b >= 0
  where
    a = 4 * x - y
    b = y - 2 * x
