PROGRAMMING:Integer to string

Convert an integer into a string and save it in reverse order in the character array. For example, if the original integer is 1234, it should be converted to the string "4321".
###Input format:
Enter a positive integer directly.
###Output format:
Directly output a string without any additional characters.
###Input example:
```in
one thousand two hundred and thirty-four
```
###Output example:
```out
four thousand three hundred and twenty-one
```






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