#abc231a. [abc231_a]Water Pressure
[abc231_a]Water Pressure
Problem Statement
Let us assume that water pressure depends only on depth and is megapascal at a depth of meters.
What is the water pressure in megapascals at a depth of meters?
Constraints
- is an integer.
Input
Input is given from Standard Input in the following format:
Output
Print the answer. Your output will be considered correct when its absolute or relative error from our answer is at most .
Sample Input 1
1000
Sample Output 1
10
The water pressure at a depth of meters is megapascal. Outputs such as 10.0
and 9.999999
would also be accepted.
Sample Input 2
50
Sample Output 2
0.5
Sample Input 3
3141
Sample Output 3
31.41