Remove Adjacent

medium

Text Processing

Question Solve Solutions

&lt;a href="https://codeforces.com/contest/1321/problem/C" target="_blank"&gt;&lt;i class="fa fa-external-link" aria-hidden="true"&gt; Link -&gt; Remove Adjacent&lt;/i&gt;&lt;/a&gt;

Input Format

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Output Format

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Constraints

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Example

Input

8
bacabcab

Output

Vitaly And Strings

Phoenix And Distribution

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