plant_discovery

n = int(input())

plants = {}

for _ in range(n):
    plant, rarity = input().split("<->")
    rating = []
    rarity = int(rarity)
    plants[plant] = [rarity, rating]

while True:
    command = input().split()

    if "Exhibition" in command[0]:
        break
    plant = command[1]
    if "Rate" in command[0]:
        rating = int(command[3])
        if plant not in plants:
            print("error")
        else:
            plants[plant][1].append(rating)
    elif "Update" in command[0]:
        new_rarity = int(command[3])
        if plant not in plants:
            print("error")
        else:
            plants[plant][0] = new_rarity
    elif "Reset" in command[0]:
        if plant not in plants:
            print("error")
        else:
            plants[plant][1] = []
for k, v in plants.items():
    if len(v[1]) > 0:
        v[1] = sum(v[1])/len(v[1])
    else:
        v[1] = 0
sorted_plants = sorted(plants.items(), key=lambda kvp: (-kvp[1][0], -kvp[1][1]))
print("Plants for the exhibition:")
for plant_, data in sorted_plants:
    rarity_ = data[0]
    average_rating = data[1]
    print(f"- {plant_}; Rarity: {rarity_}; Rating: {average_rating:.2f}")