import datetime

today = datetime.date.today()
year = today.year

birth = input("What is your year of birth? ")
age = int(year) - int(birth)
print ('Your age is ', age)
if  age > 18:
    print('You are older that 18')
elif age == 18:
    print('You are 18')
else:
    print('You have less than 18')