Racing

Time Limit: 1 sec

 

The Problem

A Race is going on in a circle shape field. There are L laps in the race which is N kilometers in total. Your task is to find the radius of that field.

[pi = 3.1416]

 

 

The Input

The Input file contains two variables total laps, L(0 < L <= 25) and total distance, N(0 < N <= 100000).

 

The Output

The output will print the value of the radius, R of the field rounded to 2 decimal points in a separate line.

 

Sample Input

16 10000

 

Sample Output

99.47 km

 

 

 

 

Problem Setter: Samia Safa Ahmed