PROGRAMMING:How many digits

Input a non negative integer n (long long type range), output this positive integer n is a few digits.
###Input example:
```in
one hundred and twenty-three trillion and four hundred and fifty-six billion seven hundred and eighty-nine million twelve thousand three hundred and forty-five
```
###Output example:
```out
fifteen
```
###Input example:
```in
0
```
###Output example:
```out
one
```







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