number_of_inputs, dragons, default = int(input()), {}, {'damage': 45, 'health': 250, 'armor': 10}

for _ in range(number_of_inputs):
    d_type, name, *int_values = input().split()
    damage, health, armor = [int(x) if x != 'null' else -1 for x in int_values]
    dragon = {'damage': damage, 'health': health, 'armor': armor}
    for k in dragon:
        if dragon[k] == -1:
            dragon[k] = default[k]
    dragons.setdefault(d_type, {})
    dragons[d_type][name] = dragon

for d_type, d_list in dragons.items():
    d_count = len(d_list)
    avr_dmg, avr_hlt, avr_arm = [sum([dragon[key] for dragon in d_list.values()]) / d_count for key in default]
    print(f"{d_type}::({avr_dmg:.2f}/{avr_hlt:.2f}/{avr_arm:.2f})")
    for dragon in sorted([d for d in d_list]):
        print(f"-{dragon} -> {', '.join([k +': ' + str(v) for k, v in d_list[dragon].items()])}")