PROGRAMMING:Calculate the standard weight
It is said that a person's standard weight should be the kilogram obtained by subtracting 100 from his height (unit: cm) and multiplying by 0.9. It is known that the kilogram is twice the market kilogram. Now given someone's height, how much should your standard weight be（ By the way, I'd like to calculate it for myself
###Input format:
Enter the first line to give a positive integer H (100 < h ≤ 300) for someone's height.
###Output format:
Output the corresponding standard weight in one line, unit: Jin, 1 decimal place.
###Input example:
Here is a set of inputs. For example:
```in
one hundred and sixty-nine
```
###Output example:
The corresponding output is given here. For example:
```out
one hundred and twenty-four point two
```
answer：If there is no answer, please comment
###Input format:
Enter the first line to give a positive integer H (100 < h ≤ 300) for someone's height.
###Output format:
Output the corresponding standard weight in one line, unit: Jin, 1 decimal place.
###Input example:
Here is a set of inputs. For example:
```in
one hundred and sixty-nine
```
###Output example:
The corresponding output is given here. For example:
```out
one hundred and twenty-four point two
```
answer：If there is no answer, please comment