num = int(input())

flowers_dict = {}

for i in range(num):
    data = input().split("<->")
    plant = data[0]
    rarity = int(data[1])
    if plant not in flowers_dict:
        flowers_dict[plant] = [rarity]

stat = input().split(": ")

while True:
    command = stat[0]
    if command == "Exhibition":
        break

    if command == "Rate":
        rating_data = stat[1].split(" - ")
        flower = rating_data[0]
        rating = int(rating_data[1])
        if flower in flowers_dict:
            flowers_dict[flower].append(rating)
        else:
            print("error")

    elif command == "Update":
        rarity_data = stat[1].split(" - ")
        current_flower = rarity_data[0]
        new_rarity = int(rarity_data[1])
        if current_flower in flowers_dict:
            flowers_dict[current_flower][0] = new_rarity
        else:
            print("error")

    elif command == "Reset":
        reset_flower = stat[1]
        if reset_flower in flowers_dict:
            for i in range(1, len(flowers_dict[reset_flower])):
                flowers_dict[reset_flower].pop(1)
        else:
            print("error")

    stat = input().split(": ")

average_stat = {}

for i in flowers_dict:
    if len(flowers_dict[i]) == 1:
        average = 0
    else:
        average = (sum(flowers_dict[i]) - flowers_dict[i][0]) / (len(flowers_dict[i]) - 1)

    average_stat[i] = average

print("Plants for the exhibition:")

result = {}

for i in flowers_dict:
    result[i] = [flowers_dict[i][0], average_stat[i]]

for x in result:
    print(f"- {x}; Rarity: {result[x][0]}; Rating: {result[x][1]:.2f}")

# Сортиране
# sorted_list = sorted(result.items(), key=lambda x: (-x[1][0], -x[1][1]))

# for k in sorted_list:
    # print(f"- {k[0]}; Rarity: {k[1][0]}; Rating: {k[1][1]:.2f}")