PROGRAMMING:Output absolute value
Input an integer and program to output its absolute value.
###Input example:
Here is a set of inputs. For example:
```in
-299
```
###Output example:
```out
two hundred and ninety-nine
```
answer：If there is no answer, please comment
###Input example:
Here is a set of inputs. For example:
```in
-299
```
###Output example:
```out
two hundred and ninety-nine
```
answer：If there is no answer, please comment