n = int(input())
a = list(map(int, input().split()))
q = int(input())
for i in range(q):
    sum = 0
    b, c = map(int, input().split())
    for j in range(len(a)):
        if a[j] == b:
            a[j] = c
            sum += a[j]
        else:
            sum += a[j]
    print(sum)