import sys input = sys.stdin.readline A=input().strip() DICT={A[i]:i for i in range(len(A))} D=[list(map(int,input().split())) for i in range(len(A))] N,M=list(map(int,input().split())) S=[] for i in range(N): s=input().strip() T=[DICT[s[j]] for j in range(len(s))] S.append(T) SUM=[[0]*len(A) for i in range(M)] for i in range(N): for j in range(M): x=S[i][j] SUM[j][x]+=1 for i in range(len(S)): ANS=0 for j in range(M): for k in range(len(A)): ANS+=D[S[i][j]][k]*SUM[j][k] print(ANS)