def main():
    import sys
    input = sys.stdin.read().split()
    ptr = 0
    H = int(input[ptr]); ptr +=1
    W = int(input[ptr]); ptr +=1

    G = []
    for _ in range(H):
        row = list(map(int, input[ptr:ptr+W]))
        ptr += W
        G.append(row)

    R = list(map(int, input[ptr:ptr+H]))
    ptr += H

    C = list(map(int, input[ptr:ptr+W]))
    ptr += W

    a = [R[i] - sum(G[i]) for i in range(H)]
    b = [C[j] - sum([G[i][j] for i in range(H)]) for j in range(W)]
    c = G

    max_total = 0
    for mask in range(1 << H):
        row_selected = [i for i in range(H) if (mask >> i) & 1]
        a_sum = sum(a[i] for i in row_selected)
        current_b = [b[j] + sum(c[i][j] for i in row_selected) for j in range(W)]
        total = a_sum + sum(max(0, current_b[j]) for j in range(W))
        if total > max_total:
            max_total = total

    print(max_total)

if __name__ == '__main__':
    main()