UVa-11340

/*  BISMILLAHIR-RAHMANIR-RAHIM
 ____________________________________
|                                    |
|       SHANTO_SUST_SWE-19_029       |
|____________________________________|
*/

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define Pi acos(-1)
#define r0 return 0
#define endl "\n"
#define show(x) cout << x << endl
#define take(x) cin >> x
#define debug 1

int main()
{
    long long T, k, m, x, temp;
    cin >> T;

    char c;
    long long i, n, j;

    while(T--) {
        cin >> k;
        vector < long long > v(256);

        for(i = 0; i < k; i++) {
            cin >> c;
            cin >> x;
            temp = (long long)c;
            getchar();
            v[temp] = x;
        }

        cin >> m;
        getchar();
        long long sum = 0;
        for(i = 0; i < m; i++) {
            string s;
            getline(cin, s);
            n = s.size();

            for(j = 0; j < n; j++) {
                temp = (long long)s[j];
                sum += v[temp];
            }
            s.clear();
        }
        if(sum % 100 < 10) cout << sum / 100 << ".0" << sum % 100 << "$" << endl;
        else cout << sum / 100 << "." << sum % 100 << "$" << endl;
        v.clear();
    }

    r0;
}

//ALHAMDULILLAH