import Data.List (sort, group)

calc :: [Int] -> [Int]
calc xs
    | all (== h) xs = if l == 2 then [s, 0] else [0, s]
    | otherwise     = reverse $ map length $ group $ sort xs
    where
        h = head xs
        s = length xs
        l = div h $ s - 1

main :: IO ()
main = getLine >> getLine >>= putStrLn . unwords . map show . calc . map read . words