import Data.List

main = do
  n <- readLn :: IO Int
  dat <- getContents

  if length (lines dat) == 1 then
    putStrLn "\"assert\""
    else do
    let
      [a,b,c] = map read . lines $ dat :: [Integer]
      ans = (nub . reverse . sort $ [a+b,b+c,c+a]) !! 1
    print ans