from collections import OrderedDict

N=int(input())
od=OrderedDict()
for _ in range(N):
    line=input().split()
    item,price=' '.join(line[:-1]),int(line[-1])
    od[item]=od.get(item, 0)+int(price)

for item,price in od.items():
    print(item,price)
    
    

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)

from collections import OrderedDict

dic = OrderedDict()
n = int(input())

for i in range(n):
    line = input().rsplit(" ", 1)
    item = line[0]
    price = int(line[1])
    
    if item not in dic.keys():
        dic[item] = price
    else:
        dic[item] += price

for k, v in dic.items():
    print(k, v)

from collections import OrderedDict,defaultdict

dictionary = defaultdict(int)

N = int(input())

for i in range(N):
    name,price = input().rsplit(" ",1)
    dictionary[name] += (int(price))
    
order = OrderedDict(dictionary)

for keys in order:
    print(keys,order[keys])

N = int(input())

item_name= []
price_list =[]

for _ in range(N):
    *item, price = input().split()
    item_name.append(' '.join(item))
    price_list.append(int(price))

unique_item= []
unique_price= []

for item, price in zip(item_name, price_list):
    if item not in unique_item:
        unique_item.append(item)
        unique_price.append(price)     
    else:
        ind= unique_item.index(item)
        unique_price[ind]= unique_price[ind]+ price

for item, total_price in zip(unique_item, unique_price):
    print(item, total_price)