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Behavioral

# Statement
Given a string, `str`, rearrange it so that any two adjacent characters are not the same. If such a reorganization of the characters is possible, output any possible valid arrangement. Otherwise, return an empty string.

**Constraints:**
* $1\leq$ `str.length` $\leq500$
* Input string consists of lowercase English letters.

# Examples



Try to solve the Reorganize String problem.


Reorganize String

Try to solve the Reorganize String problem.

Problem: Reorganize String

Statement

Examples

Problem: Reorganize String

Statement

Examples