Phonebook

phonebook = {}

number = 0
while True:
    input_line = input()
    input_line_split = input_line.split("-")
    if len(input_line) == 1:
        number = int(input_line)
        break

    name = input_line_split[0]
    phone_number = input_line_split[1]

    phonebook[name] = phone_number

for _ in range(number):
    name = input()
    if name in phonebook:
        print(f"{name} -> {phonebook[name]}")
    else:
        print(f"Contact {name} does not exist.")