#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;

template<class T> istream& operator >> (istream& is, vector<T>& vec) {
    for(T& x : vec) is >> x;
    return is;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int h, w;
    cin >> h >> w;
    vector<vector<int>> G(h, vector<int>(w));
    vector<int> R(h), C(w);
    cin >> G >> R >> C;
    atcoder::mf_graph<ll> g(h + w + 2);
    int src = h + w, sink = src + 1;
    ll ans = 0;
    for(int y = 0; y < h; y++){
        ll s = accumulate(G[y].begin(), G[y].end(), 0ll);
        ll mn = min((ll)(R[y]), s);
        ans += R[y] - mn;
        g.add_edge(src, y, s - mn);
        for(int x = 0; x < w; x++){
            g.add_edge(y, x + h, G[y][x]);
        }
    }
    for(int x = 0; x < w; x++){
        g.add_edge(x + h, sink, C[x]);
        ans += C[x];
    }
    ans -= g.flow(src, sink);
    cout << ans << '\n';
}