import qualified Data.Text as T
import qualified Data.Text.IO as T
import qualified Data.Text.Read as T

main :: IO ()
main = do
  x <- unsafeTextToInt <$> T.getLine :: IO Int
  print . fst . until ((x <=) . snd) ((,) <$> succ . fst <*> ((+) <$> id <*> (`div` 100)) . snd) $ (0, 100)

unsafeTextToInt :: T.Text -> Int
unsafeTextToInt s = case T.signed T.decimal s of
  Right (n, _) -> n
