PROGRAMMING:Amount in Chinese characters

Input an integer amount and output the amount in Chinese characters. Assume that the amount entered is a positive integer, and the maximum number is 12 digits.
###Input format:
Enter a positive integer to represent the amount. The maximum number of digits is 12.
###Output format:
Output the amount in Chinese characters. When outputting, start from the first digit, and all the following digits need to be outputted, including 0 (zero).
###Input example:
Here is a set of inputs. For example:
```in
one hundred and twenty-three million four hundred and fifty-six thousand seven hundred and eighty-nine
```
###Output example:
The corresponding output is given here. For example:
```out
One hundred and twenty three million four hundred and fifty six thousand seven hundred and eighty nine yuan
```
Here is a set of inputs. For example:
```in
nine hundred and eighty-seven billion six hundred million and twenty thousand
```
###Output example:
The corresponding output is given here. For example:
```out
Ninety eight million seven billion six hundred and twenty thousand yuan
```






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