#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef pair<int , int > ii;
// Stores the found edges
vector<bool> found;

// Stores the number of nodes
int N = 0;

// Stores the capacity of each edge
vector<vector<int>> cap;

vector<vector<int>> flow;

// Stores the cost per unit flow of each edge
vector<vector<int>> cost;

// Stores the distance from each node
// and picked edges for each node
vector<int> dad, dist, pi;

const int INF = INT_MAX / 2 - 1;

int n,m;
// Function to check if it is possible to
// have a flow from the src to sink
bool search(int src, int sink) {

	// Initialise found[] to false
	found = vector<bool>(N + 2, false);

	// Initialise the dist[] to INF
	dist = vector<int>(N + 2, INF);

	// Distance from the source node
	dist[src] = 0;

    priority_queue< ii,vector<ii> , greater<ii> > pq;
    pq.push(ii(dist[src],src));
	// Iterate until src reaches N
	while (!pq.empty())
    {
        int srcu = pq.top().se;
        pq.pop();
        //cout<<srcu<<" ";
        if (found[srcu])
        {
            //cout<<"\n";
            continue;
        }

        //cout<<srcu<<" : "<<dist[srcu]<<endl;
        found[srcu] = true;

        int u;
        if (srcu<=n)
            u = srcu;
        else
            u = srcu - n;

        if (srcu == n+m+1)
            break;

        if (srcu==0)
        {
            for (int k = 1; k <=n; k++)
            {
                if (found[k])
                    continue;

                if (flow[k][u] < cap[k][u])
                {
                    int val = dist[srcu] + pi[srcu] - pi[k] + cost[k][u];
                    if (dist[k] > val)
                    {
                        dist[k] = val;
                        dad[k] = srcu;
                        pq.push(ii(dist[k],k));
                    }
                }
            }
        }
        else if (srcu<=n)
        {
            for (int k = 1; k <= m; k++)
            {
                if (found[n+k])
                    continue;


                if (flow[u][k] < cap[u][k])
                {
                    int val = dist[u] + pi[u] - pi[n+k] + cost[u][k];
                    if (dist[n+k] > val)
                    {
                        dist[n+k] = val;
                        dad[n+k] = srcu;
                        pq.push(ii(dist[n+k],n+k));
                    }
                }
            }
        }
        else
        {
            int k = 0;
            if (flow[0][u] < cap[0][u])
            {
                int val = dist[srcu] + pi[srcu] - pi[n+m+1] + cost[0][u];
                if (dist[n+m+1] > val)
                {
                    dist[n+m+1] = val;
                    dad[n+m+1] = srcu;
                    pq.push(ii(dist[n+m+1],n+m+1));
                }
            }

            for (k=1;k<=n;k++)
            {
                if (found[k])
                    continue;

                if (flow[k][u] != 0)
                {
                    int val = dist[srcu] + pi[srcu] - pi[k] - cost[k][u];

                    if (dist[k] > val)
                    {
                        dist[k] = val;
                        dad[k] = srcu;
                        pq.push(ii(dist[k],k));
                    }
                }
            }
        }
	}

	for (int k = 0; k < N; k++)
		pi[k] = min(pi[k] + dist[k], INF);

	return found[sink];
}

// Function to obtain the maximum Flow
vector<int> getMaxFlow(vector<vector<int>>& capi,
					vector<vector<int>>& costi,
					int src, int sink) {

	cap = capi;
	cost = costi;

	N = n+m+2;

	found = vector<bool>(N + 2, false);
	flow.assign(n+3, vector<int>(n+3, 0));
	dist = vector<int>(N + 2, 0);
	dad = vector<int>(N + 2, 0);
	pi = vector<int>(N + 2, 0);

	int totflow = 0, totcost = 0;

	// If a path exists from src to sink
	while (search(src, sink)) {

		// Set the default amount
		int amt = INF;
		int x = sink;

		while (x != src) {
            int u = dad[x];
            int v = x;

            if (u>n)
                u-=n;
            if (v>n)
                v-=n;

          //  cout<<dad[x]<<" -> "<<x<<endl;

            if (u==0)
            {
                //cout<<cap[v][0] - flow[v][0]<<" 1u ";
                amt = min(amt, cap[v][0] - flow[v][0]);
            }
            else if (v==0)
            {
//                cout<<flow[u][0]<<" 2u ";
                amt = min(amt , flow[u][0]);
            }
            else if (x==(n+m+1))
            {
               // cout<<cap[0][u] - flow[0][u] << " 3u ";
                amt = min(amt , cap[0][u] - flow[0][u]);
            }
            else if (u==(n+m+1))
            {
              //  cout<< flow[0][v] <<" 4u ";
                amt = min(amt, flow[0][v]);
            }
            else
            {
                //cout<< (flow[v][u] != 0 ? flow[v][u] : cap[u][v] - flow[u][v])<<" 5u "<<endl;
                if (x>n)
                    amt = min( amt, cap[u][v] - flow[u][v]);
                else
                    amt = min (amt , flow[v][u] );
            }
            //cout<<endl;
			x = dad[x];
		}

        //cout<<" -> "<<amt<<endl;
//        int z;
//        cin>>z;

		x = sink;

		while (x != src) {
            int u = dad[x];
            int v = x;

            if (u>n)
                u-=n;
            if (v>n)
                v-=n;

//            cout<<u<<" -> "<<v<<endl;

            if (u==0)
            {
                flow[v][0] += amt;
                totcost += amt * cost[v][0];
            }
            else if (v == 0)
            {
                flow[u][0] -= amt;
				totcost -= amt * cost[u][0];
            }
            else if (x==(n+m+1))
            {
//                cout<<"..";
                flow[0][u] += amt;
				totcost += amt * cost[0][u];
            }
            else if (dad[x]==(n+m+1))
            {
                flow[0][v] -= amt;
				totcost -= amt * cost[0][v];
            }
            else
            {
//                cout<<u<<" -> "<<v<<endl;
                if (x<=n)
                {
                    flow[v][u] -= amt;
                    totcost -= amt * cost[v][u];
                }
                else
                {
                    flow[u][v] += amt;
                    totcost += amt * cost[u][v];
                }
            }

			x = dad[x];
		}

//        cout<<flow[0][1]<<endl<<endl;
        //cout<<"oke";
		totflow += amt;
	}
//    cout<<totflow<<" : ";
	// Return pair total cost and sink
	return {totflow, totcost};
}

// Driver Code
int main() {

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n >> m;

    vector<vector<int>> cap(n+3, vector<int>(m+3));
    vector<vector<int>> cost(n+3, vector<int>(m+3));

    for (int i=0;i<=n;i++)
        for (int j=0;j<=m;j++)
        {
            cap[i][j] = 0;
            cost[i][j] = 0;
        }

    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++)
            cin>>cost[i][j], cap[i][j] = 1;

    for (int i=1 ;i<=n;i++)
        cap[i][0] = 1, cost[i][0] = 0;

    for (int i=1;i<=m;i++)
    {
        int x;
        cin >> x;
        cap[0][i] = x ;
        cost[0][i] = 0;
    }

	int s = 0, t = n+m+1;


	vector<int> ret = getMaxFlow(cap, cost, s, t);

//    cout<< ret[0] << " ";
	cout << ret[1] << endl;

	return 0;
}


// by phasing17