import Control.Applicative ((<$>))
import Control.Monad (replicateM)

main :: IO ()
main = do
  n <- readLn
  solve <$> replicateM n (map read <$> words <$> getLine) >>= mapM_ putStrLn

solve :: [[Integer]] -> [String]
solve = map f
  where f [d, x, t] | hp (x+1) (d-1) <= t = "AC"
                    | otherwise = "ZETUBOU"

comb :: Integer -> Integer -> Integer
comb n m | m == 0 = 1
         | n < 2 * m = comb n (n - m)
         | otherwise = comb (n-1) (m-1) * n `div` m

hp :: Integer -> Integer -> Integer
hp n m = comb (n+m-1) m