PROGRAMMING:Reversed 3-Digit-Number

Your program reads a positive 3-digit-number in and prints the digits in reversed order. There should not be any leading zeros when the number has tailing zeros. For example, the output should be 7 for the number 7000.
### Input Format:
A postive 3-digit-number.
### Output Format:
A reversed number.
### Sample Input:
```in
one hundred and twenty-three
```
### Sample Output:
```out
three hundred and twenty-one
```






answer：If there is no answer, please comment