#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

template< typename flow_t >
struct FordFulkerson {
  struct edge {
    int to;
    flow_t cap;
    int rev;
    bool isrev;
    int idx;
  };

  vector< vector< edge > > graph;
  vector< int > used;
  const flow_t INF;
  int timestamp;

  FordFulkerson(int n) : INF(numeric_limits< flow_t >::max()), timestamp(0) {
    graph.resize(n);
    used.assign(n, -1);
  }

  void add_edge(int from, int to, flow_t cap, int idx = -1) {
    graph[from].emplace_back((edge) {to, cap, (int) graph[to].size(), false, idx});
    graph[to].emplace_back((edge) {from, 0, (int) graph[from].size() - 1, true, idx});
  }

  flow_t dfs(int idx, const int t, flow_t flow) {
    if(idx == t) return flow;
    used[idx] = timestamp;
    for(auto &e : graph[idx]) {
      if(e.cap > 0 && used[e.to] != timestamp) {
        flow_t d = dfs(e.to, t, min(flow, e.cap));
        if(d > 0) {
          e.cap -= d;
          graph[e.to][e.rev].cap += d;
          return d;
        }
      }
    }
    return 0;
  }

  flow_t max_flow(int s, int t) {
    flow_t flow = 0;
    for(flow_t f; (f = dfs(s, t, INF)) > 0; timestamp++) {
      flow += f;
    }
    return flow;
  }

  void output() {
    for(int i = 0; i < graph.size(); i++) {
      for(auto &e : graph[i]) {
        if(e.isrev) continue;
        auto &rev_e = graph[e.to][e.rev];
        cout << i << "->" << e.to << " (flow: " << rev_e.cap << "/" << e.cap + rev_e.cap << ")" << endl;
      }
    }
  }
};


int main() {
  int H, W;
  cin >> H >> W;
  vector< vector< int64 > > G(H, vector< int64 >(W));
  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) cin >> G[i][j];
  }
  vector< int64 > R(H), C(W);
  for(int i = 0; i < H; i++) cin >> R[i];
  for(int i = 0; i < W; i++) cin >> C[i];

  int64 sum = accumulate(begin(R), end(R), 0LL) + accumulate(begin(C), end(C), 0LL);

  vector< int64 > row_sum(H);
  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) row_sum[i] += G[i][j];
  }
  int64 sum_cut = 0;
  vector< int64 > row_cap(H);
  for(int i = 0; i < H; i++) {
    int64 cut = min(R[i], row_sum[i]);
    row_cap[i] = row_sum[i] - cut;
    sum_cut += cut;
  }

  FordFulkerson< int64 > flow(H + W + 2);
  int S = H + W;
  int T = S + 1;
  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) {
      flow.add_edge(i, H + j, G[i][j]);
    }
  }
  for(int i = 0; i < H; i++) {
    flow.add_edge(S, i, row_cap[i]);
  }
  for(int i = 0; i < W; i++) {
    flow.add_edge(H + i, T, C[i]);
  }
  cout << sum - flow.max_flow(S, T) - sum_cut << endl;
}