#include <bits/stdc++.h>

using namespace std;

int main(){
    int N;
    cin >> N;
    int A[N] = {};

    int x;
    for (int n = 0; n < N; n++)
    {
        cin >> x;
        A[n] = x;
    }
    int Q;
    cin >> Q;
    int B, C;
    for (int q; q < Q; q++)
    {
        cin >> B >> C;
        long long s = 0;
        for (int n = 0; n < N; n++)
        {
            if(A[n]==B){
                A[n] = C;
            }
            s += A[n];
        }
        cout << s << "\n";
    }
}
