AT_abc447_b [ABC447B] mpp

You are given a string $ S $ consisting of lowercase English letters. Remove all occurrences of the most frequent character(s) in $ S $ , then output the remaining characters concatenated in their original order. If there are multiple characters with the maximum frequency, remove all of them.

The input is given from Standard Input in the following format: > $ S $

Output the answer.

### Sample Explanation 1 The most frequent characters in `mississippi` are `s` and `i`, each appearing four times. Removing all occurrences of `s` and `i` yields the string `mpp`. ### Constraints - $ 1 \le |S| \le 100 $ - $ S $ is a string consisting of lowercase English letters.