#P784D. Touchy-Feely Palindromes

    ID: 3827 Type: RemoteJudge 2000ms 64MiB Tried: 0 Accepted: 0 Difficulty: (None) Uploaded By: Tags>*special problemimplementation*1900

Touchy-Feely Palindromes

No submission language available for this problem.

Description

The only line of the input contains a string of digits. The length of the string is between 1 and 10, inclusive.

Output "Yes" or "No".

Input

The only line of the input contains a string of digits. The length of the string is between 1 and 10, inclusive.

Output

Output "Yes" or "No".

Samples

373

Yes

121

No

436

Yes