Codeforces 4A - A. Watermelon
calc :: Int -> String calc n | n > 2 && even n = "YES" | otherwise = "NO" main = do s <- getLine putStrLn $ calc $ read s
calc :: Int -> String calc n | n > 2 && even n = "YES" | otherwise = "NO" main = do s <- getLine putStrLn $ calc $ read s