# edited 1/18/06 from joe's code on http://www.strout.net/python/
ans = "n"
while ans == "n":
       age = input("Enter your age (in human years): ")
       if age < 3 or age > 110:
               print "Liar!! Try again"
       else:
               print "That's", age*7, "in dog years."
       ans = raw_input("Would you like to quit? (y/n) ")
print "Goodbye!"