Exclamation marks series #17: Put the exclamation marks and question marks on the balance - are they balanced?

Description:

Each exclamation mark's weight is 2; each question mark's weight is 3. Putting two strings left and right on the balance - are they balanced?

If the left side is more heavy, return "Left"; if the right side is more heavy, return "Right"; if they are balanced, return "Balance".

Examples

"!!", "??"     -->  "Right"
"!??", "?!!"   -->  "Left"
"!?!!", "?!?"  -->  "Left"
"!!???!????", "??!!?!!!!!!!"  -->  "Balance"

-- For Haskell use the Comparison type defined in Preloaded code
-- data Comparison = Left | Right | Balance deriving (Show, Eq, Enum, Bounded)

balance :: String -> String -> Comparison

balance "!!" "??" == Right
balance "!??" "?!!" == Left
balance "!?!!" "?!?" == Left
balance "!!???!????" "??!!?!!!!!!!" == Balance

Fundamentals

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Created	Oct 10, 2016
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