n = int(input())
a = list(map(int,input().split()))
q = int(input())
b = [0] * q
c = [0] * q

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