#By <NAME>
#For BITS'21 Intra-School ICT Competition

print("Welcome to Circumferance Finder !")
print("For BITS'21 Intra-School Competetion")
print("From Migara Bhanu")
print("")#Just for a space

pi=3.14
r=int(input("Please enter the radius from Centimeters. But Don't enter the unit ? ONLY the NUMBER ? "))

a=("Circumferance is ")
b=(2*pi*r)
c=(" cm")



print(('{}{}{}'.format(a, b, c)))

print("")#Just for a space
print("")#Jusr for a sapce
input("Thank you! Please press enter key to Exit !")