
main :: IO ()
main = do
  [n,m,k] <- map read . words <$> getLine
  putStrLn $ if solve n m k then "Yes" else "No"
  
solve :: Int -> Int -> Int -> Bool
solve n m k = k `elem` [a*n+b*m-2*a*b | a <- [0..m], b <- [0..n]]
