PROGRAMMING:5-5 output an integer in reverse order

5-5 input a positive integer and output the number in reverse order. For example, input 2019 and output 9102.
###Input format:
For example, enter an integer.
###Output format:
Output this integer in reverse order.
###Input example:
Here is a set of inputs. For example:
```in
two thousand and nineteen
```
###Output example:
The corresponding output is given here. For example:
```out
nine thousand one hundred and two
```







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