Nth Palindromic Binary

easy

Bit Manipulation

Question Solve Solutions

1. You are given an integer N.
2. You have to find the N-th number whose binary representation is a palindrome.

Note -&gt; First binary number whose representation is a palindrome is 1.

Input Format

A number N

Output Format

Check the sample output and question video.

Constraints

1 &lt;= n &lt;= 2*10^4

Notice

Try First, Check Solution later

1. You should first read the question and watch the question video.
2. Think of a solution approach, then try and submit the question on editor tab.
3. We strongly advise you to watch the solution video for prescribed approach.

Example

Input

Output

Is A Power Of 4

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