# We'll provide different output based on age
# 1 - 18 -> Important
# 21, 50, > 65 -> Important
# All others -> Not Important

# Receive age and store in variable age
age = eval(input("Enter your age: "))

# and : If both are true it returns true
# or : If either condition is true then true
# not : Convert a true condition into a false

# if age is both greater than or equal to 1 and less than or equal to 18 Important
if (age >= 1) and (age <= 18):
    print("Important Birthday!")


# if age is either 21 or 50 Important
elif (age == 21) or (age == 50):
    print("Important Birthday!")


# We check if age is less than 65 and convert true to false and visa versa
elif not(age < 65):
    print("Important Birthday!")


# Not Important
else:
    print("Not Important Birthday!")
