import Control.Applicative
import Control.Monad
import Data.List

f l m n = s + t + u
  where
    x = 100 * l + 25 * m + n
    (_, y) = divMod x 1000
    (s, z) = divMod y 100
    (t, u) = divMod z 25
 

main = f <$> readLn <*> readLn <*> readLn >>= print