age = int(input("Dog's age: "))
# Python2:
# age = int(raw_input("Dog's age: "))
print()
if age < 0:
print("This can't be true!")
elif age == 1:
print("about 14 years")
elif age == 2:
print("about 22 years")
elif age > 2:
human = 22 + (age -2)*5
print("in human years:", human)
###
# Python 2:
# raw_input('press Return>')
input('press Return>')