PROGRAMMING:Palindrome number
###Task description
```
A nonnegative integer n is palindrome if the digits are symmetrical from left to right.
```
###Input format:
```
A number of nonnegative integers separated by spaces or carriage returns, each representing a set of data.
```
###Output format:
```
Each group of data output exclusive line, if palindrome number, output: Yes, otherwise output: No.
```
###Input example:
```in
one hundred and twenty-three
twelve thousand three hundred and twenty-one
four hundred and four
five hundred and six
```
###Output example:
```out
NO
YES
YES
NO
```
answer：If there is no answer, please comment
```
A nonnegative integer n is palindrome if the digits are symmetrical from left to right.
```
###Input format:
```
A number of nonnegative integers separated by spaces or carriage returns, each representing a set of data.
```
###Output format:
```
Each group of data output exclusive line, if palindrome number, output: Yes, otherwise output: No.
```
###Input example:
```in
one hundred and twenty-three
twelve thousand three hundred and twenty-one
four hundred and four
five hundred and six
```
###Output example:
```out
NO
YES
YES
NO
```
answer：If there is no answer, please comment