def playWithAge():
	'''Simple function to tell your birthyear'''
	
	# new constant value
	NOW = 2018

	print('Which year were you born in?')

	# instantiation of the problem; 
	# year is a string at the moment
	year = input()

	# new variable
	age = NOW - int(year)


	print('You must be ' + str(age-1) + ' or ' + str(age))


	# this not nice: 1980 and 1997 should be constants, like NOW
	if (int(year) > 1980 and int(year) < 1997):

		print('Aw, you are a Millenial!')



playWithAge()