flag = True
numbers = []
for n in range(0,1000_000):
    n = str(n)
    numbers.append(n)
while flag == True:
    age = input(message)
    if age != 'quit' and age in numbers[:]:
        age = int(age)
        if age < 3:
            print ('free')
        elif age >= 3 and age < 12:
            print ('10$')
        elif age >= 12:
            print ('15$')
    elif age == 'quit' and age not in numbers[:]:
        break
    elif age != numbers[:]:
        flag = False
  

 numbers[:]