#P784D. Touchy-Feely Palindromes

    ID: 3880 远端评测题 2000ms 64MiB 尝试: 0 已通过: 0 难度: (无) 上传者: 标签>*special problemimplementation*1900

Touchy-Feely Palindromes

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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