PROGRAMMING:Output an integer in reverse order
For a given integer n, output its inverse ordinal.
###Input format:
Enter an integer n that gives an absolute value of no more than $$10 ^ 9 $$on a line.
###Output format:
Output the number of N in reverse order on one line.
###Input example:
```in
-12340
```
###Output example:
```out
-4321
```
answer：If there is no answer, please comment
###Input format:
Enter an integer n that gives an absolute value of no more than $$10 ^ 9 $$on a line.
###Output format:
Output the number of N in reverse order on one line.
###Input example:
```in
-12340
```
###Output example:
```out
-4321
```
answer：If there is no answer, please comment