A cylinder has a height
hand a radius
r. Your task is to calculate the volume of that cylinder.
As a reminder, the volume of the cylinder is calculated by multiplying the area of the base circle by the height:
The first 2 lines of the input represent the
rof the cylinder.
Print its volume in the output.
You might want to set the value of to something very precise like
Time limit: 1 seconds
Memory limit: 512 MB
Output limit: 1 MB