Is Even Length And Symmetric

Check if string has even length and first half equals reverse of second half.

Your task

Implement this function:

def is_even_length_and_symmetric(s: str) -> bool:

Write the function only — the arguments are read for you and the return value is printed automatically.

Arguments arrive as one Python literal per line, in this order: s.

Example

Input

'abba'

Output

True