D. Touchy-Feely Palindromes
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output
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".

Examples
Input
373
Output
Yes
Input
121
Output
No
Input
436
Output
Yes