x = True
while x == True:
    print ("Welcome To The Xmas Box Company's automated system!")
    response = input("Enter a customer ID, Q to quit  ")
    print ("You Entered",(response) )
    last3 = (response[6:10])
    if len(response) != 9:
        print ("Input is not the correct length. Please try again")
    elif ((last3).isupper()) == True and len(response) == 9:
        print ("Identifier Accepted")
        quit()
y = input("would you like to quit?")
if y == "y" or "Y":
   quit()