问无法计算出这个无限的循环

EN

while True:
    message = input(prompt)
    if message == "exit":
        break
    if message.isdigit():
        print("Int only")
        continue
        
    message = int(message)
    if message < 3:
        print(toddler)
    elif 3 <= message < 12:
        print(kid)
    else:
        print(big_kid)

active = True
print("Hello, this is the pricing system for the theater.")
print("Depending on your age, your pricing will vary.")
print("Please type 'exit' to termiante the program")
toddler = "Below 3 = Free." 
kid = "3-2 = $10"
big_kid = "12+ = $15"
prompt = "Please enter your age: "

while active:
    message = input(prompt)
    print(message)
    if message == "exit":
        break
    try:
        int(message)
    except ValueError:
        print("Int only")
        continue
    message = int(message)

    if message < 3:
        print(toddler)
    elif message > 3 and message < 12:
        print(kid)
    else:
        print(big_kid)