n = int(input())
a = list(map(int, input().split()))
q = int(input())
bc = []
ans = []
for i in range(q):
  b, c = map(int, input().split())
  for j in range(n):
    if a[j] == b:
      a[j] = c
  ans.append(sum(a))
for i in range(q):
  print(ans[i])