Is this a palindrome?

You are asked to write a program that determines whether a given string is a palindrome.

😎 For the best results, use the zip function along with for ... else to write the code.

The first and only line of the input contains a string s of characters.

The program should print Yes if the string is a palindrome, or No if it's not.

Input

Output

madam

Yes

hello

No

Note: For simplicity, assume that input strings are provided in lowercase letters only, and the string does not contain any special characters or spaces.

Constraints

Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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