Touchy-Feely Palindromes
说明
D. Touchy-Feely Palindromes
time limit per test
2 secondsmemory limit per test
64 megabytesinput
standard inputoutput
standard outputInput
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
样例
