import os
import datetime

# How many sundays fell on the first of the month in the twentieth century?

def getFirsts(minYear, maxYear):
	res = 0

	for year in range(minYear, maxYear + 1):
		for month in range(1, 13):
			if datetime.datetime(year, month, 1).weekday() == 6:
				res = res + 1

	return res



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

	print(getFirsts(1901, 2000))

if __name__ == "__main__":
	main()