import math

num = int(input("Enter a number to check whether it is Armstrong or not : "))

sumEl = 0

temp = num

while temp > 0:

# To pick out each digits from the number starting from One's place and gradually towards hundred's place

digit = temp % 10

# Continue adding the cube of each digit obtained from previous step

sumEl += digit ** 3

# Floor function is used to determine the closest integer value

temp = math.floor(temp / 10)

if num == sumEl:

print("Its an armstrong number")

else:

print("Its not an armstrong number")