from collections import Counter
n = int(input())
a = list(map(int, input().split()))
q = int(input())
C = Counter(a)
s = sum(a)
for i in range(q):
    b, c = map(int, input().split())
    print(s + (c - b) * C[b])
    s += (c - b) * C[b]
    C[c] += C[b]