PROGRAMMING:Finding the sum of the first n terms of factorial sequence
This problem requires the preparation of procedures, calculation sequence $$1+ 2! + 3! + \ The sum of the first n terms of cdots $$.
###Input format:
The input gives a positive integer n of no more than 12 on a line.
###Output format:
Output integer results on one line.
###Input example:
```in
five
```
###Output example:
```out
one hundred and fifty-three
```
answer:If there is no answer, please comment
###Input format:
The input gives a positive integer n of no more than 12 on a line.
###Output format:
Output integer results on one line.
###Input example:
```in
five
```
###Output example:
```out
one hundred and fifty-three
```
answer:If there is no answer, please comment