PROGRAMMING:Function to return whether an integer is complete

Write a function to return whether the formal parameter (a positive integer) is a complete number. The main function is: input an integer n (n < 5000), output not less than the first complete number of n.
###Input example:
```in
twenty
```
###Output example:
```out
twenty-eight
```
###Input example:
```in
one hundred
```
###Output example:
```out
four hundred and ninety-six
```







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