from calendar import monthrange
from datetime import datetime
Name = input(" Enter your name ")
dob = input(" Enter your birthday, please use dd/mm/yyyy format: ")
dob = datetime.strptime(dob, '%d/%m/%Y')

DayOfBirthday = dob.day
MonthOfBirthday = dob.month
YearOfBirthday = dob.year

CurrentDay = datetime.today().day
CurrentMonth = datetime.today().month
CurrentYear = datetime.today().year

num_days = monthrange(CurrentYear, CurrentMonth)[1]

Years = CurrentYear - YearOfBirthday

if (MonthOfBirthday < CurrentMonth and DayOfBirthday < CurrentDay) or \
        (MonthOfBirthday < CurrentMonth and DayOfBirthday == CurrentDay):
    Months = (CurrentMonth - MonthOfBirthday)

elif MonthOfBirthday < CurrentMonth:
   Months = (CurrentMonth - MonthOfBirthday) - 1

elif MonthOfBirthday > CurrentMonth and DayOfBirthday == CurrentDay:
   Months = 12 - (MonthOfBirthday - CurrentMonth)
   Years -= 1

elif MonthOfBirthday > CurrentMonth:
    Months = 12 - (MonthOfBirthday - CurrentMonth) - 1
    Years-=1
elif MonthOfBirthday == CurrentMonth and DayOfBirthday > CurrentDay:
    Months = 11
    Years-=1
else:
    Months = 0

if CurrentDay < DayOfBirthday:
    Days = num_days - (DayOfBirthday - CurrentDay) - 1
elif CurrentDay > DayOfBirthday:
    Days = (CurrentDay - DayOfBirthday)
else:
    Days = 0


print(Name,"your age is ", Years, " years ", Months, " months and ", Days, " days ")

if MonthOfBirthday == CurrentMonth and DayOfBirthday == CurrentDay:
 print("Happy birthday to you <3 ")