## FILE:     circle.py
## AUTHOR:   Eugene Wallingford
## DATE:     08/27/2014
## COMMENT:  Compute the area and circumference of a circle.
##           This code is adapted from Code Listing 1.1 in the text.

import math

r_string = input("Enter the radius of the circle: ")
r = int(r_string)

circumference = 2 * math.pi * r
area = math.pi * (r ** 2)

print("circumference = ", circumference)
print("radius = ", r)