PROGRAMMING:Output the string in reverse order

Output the string in reverse order. Enter a string and output it in reverse order.
###Input format:
Enter a non empty string that ends with carriage return and is no more than 80 characters long in one line.
###Output format:
Output the string in reverse order on one line.
###Input example:
```in
C/C++
```
###Output example:
```out
++C/C
```






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