# Enter your code here. Read input from STDIN. Print output to STDOUT

X = int(input())
strshoes = input()
N = int(input())


shoe_list = [int(x) for x in strshoes.split(" ")]
total_price = 0


for cus in range(0,N):
  A = input()
  size_price = [int(a) for a in A.split(" ")]

  if size_price[0] in shoe_list:
    shoe_list.remove(size_price[0])
    total_price += size_price[1]

print(total_price)

import sys

linhas = sys.stdin.read().splitlines()
amount = 0
X = int(linhas[0])
shoes_sizes = linhas[1].split()
N = linhas[2]
for linha in linhas[3:]:
    Customer = linha.split()
    shoe_size = Customer[0]
    price = Customer[1]
    if shoe_size in shoes_sizes:
        shoes_sizes.remove(shoe_size)
        amount += int(price)
        X -= 1   
print(amount)  

import collections

X = int(input())
c = collections.Counter(map(int, input().split()))
N = int(input())
total = 0
for i in range(N):
    s,p = map(int, input().split())
    if c[s]:
        c.subtract([s])
        c += collections.Counter() # This removes any 0 counts, as mentioned in documentation
        total += p
print(total)

from collections import Counter
'''
# method 1 without Counter:
def total_money_earned(N,shoes_sizes):
    total = 0
    shoe_size_price = []
    for _ in range(N):
        shoe_size_price = list(map(int,input().split()))
        if shoe_size_price[0] in shoe_sizes:
            total += shoe_size_price[1]
            shoe_sizes.remove(shoe_size_price[0])
            shoe_size_price.clear()
    return total
'''
# method 2 with Counter:
def total_money_earned(N,shoes_sizes):
    total = 0
    shoes= Counter(shoes_sizes)
    shoe_size_price = []
    for _ in range(N):
        size, price = map(int, input().split())
        if shoes[size]: 
            total += price
            shoes[size] -= 1
    return total

if __name__ == "__main__":
    X = int(input())
    shoe_sizes = list(map(int, input().split()))
    N = int(input())
    print(total_money_earned(N,shoe_sizes))