Palindrome Checker

In this problem, you are given a single string. Your task is to determine whether the string is a palindrome.

A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward as forward. For example, "radar" and "level" are palindromes while "coder" and "hello" are not.

Output Yes if the input string is a palindrome, otherwise output No.

inputFormat

The input consists of a single line containing a non-empty string s.

outputFormat

Print a single line containing Yes if the string is a palindrome; otherwise, print No.

radar

Yes