A = input() D = [list(map(int, input().split())) for _ in range(len(A))] N, M = map(int, input().split()) S = [input() for _ in range(N)] idx = {c: i for i, c in enumerate(A)} cnt = [[0] * len(A) for _ in range(M)] for s in S: for i, c in enumerate(s): cnt[i][idx[c]] += 1 for s in S: ans = 0 for i, c in enumerate(s): for k in range(len(A)): ans += cnt[i][k] * D[idx[c]][k] print(ans)