PROGRAMMING:Stick it

Now there is a real number $$s $, which can be expressed as $$1ex \ (- 10 < = x < = 10, X= 0) $. For example, $$1000 $$is expressed as $$1E3 $$, and $$0.001 $$is expressed as $$1e-3 $$.
###Input format:
Give a real number $$s (s= 1)$$。
###Output format:
Output $$s $$in the form of scientific counting in one line.
###Input example:
```in
zero point zero zero one
```
###Output example:
```out
1e-3
```







answer：If there is no answer, please comment