PROGRAMMING:Ly series of Tianshan children's grandmother!

Speaking of ly, I have to mention his neighbor! Because it's the legendary Tianshan child grandmother. It's said that I knew her from the grandfather's grandfather's grandfather's grandfather's grandfather's grandfather! This amazing Tianshan child grandmother will never be more than ten years old. Her apparent age is the single digit of her actual age! Smart acmer, can you write a program to calculate how old she looks by her actual age?
###Input format:
The actual age of Tianshan TongLao.
###Output format:
The apparent age of Tianshan TongLao.
###Input example:
Here is a set of inputs. For example:
```in
forty-six thousand five hundred and eighty-nine
```
###Output example:
The corresponding output is given here. For example:
```out
nine
```







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