from collections import OrderedDict
no_of_order = int(input())
orders = OrderedDict()
for _ in range(no_of_order):
    order = input().split()
    price = int(order[-1])
    order.remove(order[-1])
    if ' '.join(order) in orders:
        orders[' '.join(order)] += price
    else:
        orders[' '.join(order)] = price
for item, net_price in orders.items():
    print(item,net_price)