{-# LANGUAGE FlexibleContexts, OverloadedStrings #-}
import Control.Applicative
import Control.Monad
import qualified Data.ByteString.Char8 as B
import Data.Maybe (fromJust)
import Text.Printf
import Debug.Trace

count xs a = length $ filter (==a) xs

main = do
  [n] <- getInts
  xs <- map (map (`mod` 2)) <$> replicateM n getInts
  let win = (count xs [0,0] `div` 2) + (count xs [0,1] `div` 2) + (count xs [1,0] `div` 2) + (count xs [1,1] `div` 2)
  putStrLn $ if win `mod` 2 == 0 then "Bob" else "Alice"


-- util
getInts :: IO [Int]
getInts = map (fst . fromJust . B.readInt) . B.words <$> B.getLine

substr :: Int -> Int -> B.ByteString -> B.ByteString
substr b l s = B.take l $ B.drop b s