#include <iostream>
#include <vector>
#include<iomanip>
#include<functional>
#include<algorithm>
#include<deque>
#include<math.h>
#include<set>
#include<string>
#include<queue>
#include<complex>
#include<numeric>
#include<stack>
#include<map>
using namespace std;
#define rep(i,n) for(ll i = 0;i<n;i++)
#define req(i,n) for(ll i = 1;i<=n;i++)
#define rrep(i,n) for(int i = n-1;i>=0;i--)
#define ALL(a) a.begin(),a.end()
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
typedef long long ll;
typedef long double ld;
const int MAX = 510000;
const int MOD = 1e9 + 7;
struct Dinic {
private:
    struct edge {
        int to;
        ll cap;
        int rev;
        bool isrev;
        int idx;
    };
    vector< vector< edge > > graph;
    vector< int > min_cost, iter;
    bool bfs(int s, int t) {
        min_cost.assign(graph.size(), -1);
        queue< int > que;
        min_cost[s] = 0;
        que.push(s);
        while (!que.empty() && min_cost[t] == -1) {
            int p = que.front();
            que.pop();
            for (auto& e : graph[p]) {
                if (e.cap > 0 && min_cost[e.to] == -1) {
                    min_cost[e.to] = min_cost[p] + 1;
                    que.push(e.to);
                }
            }
        }return min_cost[t] != -1;
    }
    ll dfs(int idx, const int t, ll flow) {
        if (idx == t) return flow;
        for (int& i = iter[idx]; i < graph[idx].size(); i++) {
            edge& e = graph[idx][i];
            if (e.cap > 0 && min_cost[idx] < min_cost[e.to]) {
                ll 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;
    }
public:
    Dinic(int V) : graph(V) {}
    void add_edge(int from, int to, ll cap, int idx = -1) {
        graph[from].push_back({ to, cap, (int)graph[to].size(), false, idx });
        graph[to].push_back({ from, 0, (int)graph[from].size() - 1, true, idx });
    }
    ll max_flow(int s, int t) {
        ll flow = 0;
        while (bfs(s, t)) {
            iter.assign(graph.size(), 0);
            ll f = 0;
            while ((f = dfs(s, t, 1e9 + 6)) > 0) 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 dx[4] = { -1,1,0,0 }, dy[4] = { 0,0,1,-1 };
int main() {
    int h, w; cin >> h >> w; vector<vector<ll>> G(h, vector<ll>(w));
    vector<ll> r(h), c(w); Dinic dn(h + w + 2);
    int s = h + w, t = h + w + 1;
    rep(i, h) {
        ll sum = 0;
        rep(j, w) {
            cin >> G[i][j]; dn.add_edge(i, j + h, G[i][j]);
            sum += G[i][j];
        }dn.add_edge(s, i, sum);
    }ll ans = 0;
    rep(i, h) {
        cin >> r[i]; ans += r[i];
        dn.add_edge(i, t, r[i]);
    }rep(j, w) {
        cin >> c[j]; ans += c[j];
        dn.add_edge(j + h, t, c[j]);
    }cout << ans - dn.max_flow(s, t) << endl;
}