n = int(input())
al = list(map(int,input().split()))
q = int(input())

from collections import defaultdict
dic = defaultdict(int)

ans = 0
for a in al:
    dic[a] += 1
    ans += a

print(dic)
for _ in range(q):
    b,c = map(int,input().split())
    ans += dic[b] * (c - b)
    dic[c] += dic[b]
    dic[b] = 0
    print(ans)






