import Control.Applicative ((<$>))

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

solve :: [Int] -> String
solve [a, b] = case [(a, b)] >>= dfs of
                [] -> "No"
                _ -> "Yes"

dfs :: (Int, Int) -> [(Int, Int)]
dfs (x, y) | x == 0 && y == 0 = [(0, 0)]
           | odd x && odd y = []
           | odd x && even y = [(x-1, y `div` 2)] >>= dfs 
           | even x && odd y = [(x `div` 2, y-1)] >>= dfs
           | otherwise = [(x-1, y `div` 2), (x `div` 2, y-1)] >>= dfs