def main():
    import sys
    input = sys.stdin.read().split()
    idx = 0
    H = int(input[idx]); idx +=1
    W = int(input[idx]); idx +=1
    
    G = []
    for _ in range(H):
        row = list(map(int, input[idx:idx+W]))
        idx += W
        G.append(row)
    
    R = list(map(int, input[idx:idx+H]))
    idx += H
    C = list(map(int, input[idx:idx+W]))
    idx += W
    
    # Precompute total_Gj for each column j
    total_Gj = [0] * W
    for j in range(W):
        for i in range(H):
            total_Gj[j] += G[i][j]
    
    a = [C[j] - total_Gj[j] for j in range(W)]
    
    selected = [False] * H
    current_sum = [0] * W
    profit = 0
    
    while True:
        best_delta = -float('inf')
        best_i = -1
        for i in range(H):
            if selected[i]:
                continue
            # Calculate delta for selecting row i
            row_cost = sum(G[i])
            delta = (R[i] - row_cost)
            for j in range(W):
                old = max(0, a[j] + current_sum[j])
                new = max(0, a[j] + current_sum[j] + G[i][j])
                delta += (new - old)
            if delta > best_delta:
                best_delta = delta
                best_i = i
        if best_delta <= 0:
            break
        # Select best_i
        selected[best_i] = True
        profit += best_delta
        for j in range(W):
            current_sum[j] += G[best_i][j]
    
    print(profit)

if __name__ == '__main__':
    main()