#Script to calc. area of circle.
print("enter the radius")
r= float(input())
area= 3.14*r**2
print("area of circle is",area)

#Script to calc. area of circle.
print("enter the radius")
r= float(input())
area= 3.14*r**2
print("area of circle is",area)

#Script to calc. area of circle.