import Control.Applicative
import Control.Monad
import qualified Data.ByteString.Char8 as B
import Data.Maybe (fromJust)
import Text.Printf
import Debug.Trace

main = do
  x <- (read :: String -> Int) <$> getLine
  s <- (read :: String -> Int) <$> getLine
  print $ 100 * s `div` (100-x)