import os
import math
import numpy as np

# Find the sum of all the digits of 2 ^ 1000

def main():
	print("Hello, this is Patrick")

	p = pow(2, 1000)
	s = str(p)

	r = 0
	for c in s:
		r = r + int(c)

	print(r)

if __name__ == "__main__":
	main()