a=input() l=len(a) d=[[*map(int,input().split())]for _ in range(l)] n,m=[*map(int,input().split())] s=[input()for _ in range(n)] cs=[[0]*l for _ in range(m)] for ns in s: for i in range(m): c=a.index(ns[i]) for j in range(l): cs[i][j]+=d[j][c] for ns in s: ans=0 for i in range(m): c=a.index(ns[i]) ans+=cs[i][c] print(ans)