import collections

N = int(input())
A = list(map(int, input().split()))
S = sum(A)
Q = int(input())
T = collections.Counter(A)
for i in range(Q):
    b, c = map(int, input().split())
    S += T[b]*(c-b)
    T[c] += T[b]
    T[b] = 0
    print(S)