Shortest Palindrome

easy
Question Solve Solutions 
1. You will be given a String
 2. You can add characters in front of it, your goal is to make the given string into the shortest palindrome after doing the modifications 
 3. Input and output is handled for you
 4. It is a functional problem ,please do not modify main()

Input Format

Input is handled for you.

Output Format

output is handled for you

Constraints

String will only contain lowercase letters

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
abbcbbaa
Output
aabbcbbaa
Next
Longest Palindromic Substring

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