AT_abc432_a [ABC432A] Permute to Maximize

You are given three digits $ A,B,C $ between $ 1 $ and $ 9 $ , inclusive. Find the maximum value among all $ 3 $ -digit integers that can be formed by arranging $ A,B,C $ in any order and concatenating them.

The input is given from Standard Input in the following format: > $ A $ $ B $ $ C $

Output the answer.

### Sample Explanation 1 There are six $ 3 $ -digit integers that can be formed by arranging $ A,B,C $ in any order and concatenating them: $ 324 $ , $ 342 $ , $ 234 $ , $ 243 $ , $ 432 $ , $ 423 $ ; the maximum value among them is $ 432 $ . ### Sample Explanation 2 Only $ 777 $ can be formed. ### Constraints - $ A,B,C $ are digits between $ 1 $ and $ 9 $ , inclusive.