solve :: Int -> Int -> Int -> Bool
solve n m k
  | k `rem` n == 0 = True
  | k `rem` m == 0 = True
  | otherwise = elem k $ do
      a <- [1..n]
      f a <$> [1..m]
  where
    f a b = m * a + n * b - a * b * 2

main :: IO ()
main = do
    [n,m,k] <- map read . words <$> getLine :: IO [Int]
    putStrLn $ if solve n m k then "Yes" else "No"