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

from collections import Counter

X = input()
sizes = input().split(" ")
N = input()

shoes_summry = Counter(sizes).items()
shoes_summry = dict(shoes_summry)

earned = 0


for i in range(int(N)):
    size_price = input().split(" ")
    shoe_size, price = size_price
    price = int(price)
    
    if shoe_size in shoes_summry:
        if shoes_summry[shoe_size] > 0:
            earned += price
            shoes_summry[shoe_size] -= 1  
          

print(earned) 

from collections import Counter
N=int(input())
l=list(map(int,input().split()))
n=int(input())
counter=Counter(l)
s=0
for i in range(n):
    size,price=map(int,input().split())
    if counter[size]>0:
        s+=price
        counter[size]-=1
print(s)
        
				

from collections import Counter

X = int(input(""))
X_list = list(map(int, input("").split()))
N = int(input(""))

shoe_size = Counter(X_list)
sum = 0
for i in range(N):
    size, amount = tuple(map(int, input("").split()))
    if size in shoe_size.keys() and shoe_size[size] != 0:
        shoe_size[size] -= 1
        sum += amount
        
print(sum)

from collections import Counter
X = int(input())
size = list(map(int, input().split(' ')))
csize = Counter(size)
N = int(input())
sum = 0
for i in range(N):
    s,price = list(map(int, input().split(' ')))
    if s in csize.keys():
        if csize[s]>0:
            sum += price
            csize[s] -= 1