def main():
    discovered_plants = {}
    number_of_information = int(input())
    for receiving_info in range(number_of_information):
        plant, rarity = input().split("<->")
        discovered_plants[plant] = [rarity]

    commands = input()
    while commands != "Exhibition":
        current_command = commands.split(": ")[0]
        name_plant = commands.split(": ")[1].split(" - ")[0]

        if name_plant not in discovered_plants:
            print("error")
        elif current_command == "Rate":
            rate_plant = int(commands.split(": ")[1].split(" - ")[1])
            discovered_plants[name_plant].append(rate_plant)
        elif current_command == "Update":
            rarity_plant = commands.split(": ")[1].split(" - ")[1]
            discovered_plants[name_plant][0] = rarity_plant
        elif current_command == "Reset":
            discovered_plants[name_plant] = discovered_plants[name_plant][0]

        commands = input()

    print("Plants for the exhibition:")
    for plants_for_exhibition in discovered_plants:
        name_of_plant = plants_for_exhibition
        rarity_of_plant = discovered_plants[plants_for_exhibition][0]
        calculating_rating = 0
        if len(discovered_plants[plants_for_exhibition]) > 1:
            calculating_rating = sum(discovered_plants[plants_for_exhibition][1:]) / \
                                 len(discovered_plants[plants_for_exhibition][1:])

        print(f"- {name_of_plant}; Rarity: {rarity_of_plant}; Rating: {calculating_rating:.2f}")


main()