Sample Input
4
-1
10
16
18
Sample Output
Age is not valid, setting age to 0.
You are young.
You are young.
You are young.
You are a teenager.
You are a teenager.
You are old.
You are old.
You are old.
Solution(Python) :
class Person: def __init__(self,initialAge): if initialAge>=0: self.age=initialAge else: self.age=0 print"Age is not valid, setting age to 0." def amIOld(self): if self.age <13: print"You are young." elif 13<=self.age<18: print"You are a teenager." else: print"You are old." def yearPasses(self): self.age=self.age+1 t = int(raw_input()) for i in range(0, t): age = int(raw_input()) p = Person(age) p.amIOld() for j in range(0, 3): p.yearPasses() p.amIOld() print("")