// #include "atcoder/convolution"
#include "atcoder/dsu"
#include "atcoder/fenwicktree"
#include "atcoder/lazysegtree"
#include "atcoder/math"
#include "atcoder/maxflow"
#include "atcoder/mincostflow"
#include "atcoder/modint"
#include "atcoder/scc"
#include "atcoder/segtree"
#include "atcoder/string"
#include "atcoder/twosat"
using namespace atcoder;
#include <bits/stdc++.h>
using namespace std;
// #include <boost/multiprecision/cpp_int.hpp>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for (int i = (int)(a); i < (int)(b); i++)
#define all(v) v.begin(),v.end()
#define inc(x,l,r) ((l)<=(x)&&(x)<(r)) 
#define Unique(x) sort(all(x)), x.erase(unique(all(x)), x.end())
#define pcnt __builtin_popcountll
typedef long long ll;
#define int ll
using ld = long double;
using vi = vector<int>;
using vs = vector<string>;
using P = pair<int,int>;
using vp = vector<P>;
// using Bint = boost::multiprecision::cpp_int;
template<typename T1,typename T2> bool chmax(T1 &a, const T2 b) {if (a < b) {a = b; return true;} else return false; }
template<typename T1,typename T2> bool chmin(T1 &a, const T2 b) {if (a > b) {a = b; return true;} else return false; }
template<typename T> using priority_queue_greater = priority_queue<T, vector<T>, greater<T>>;
template<typename T> istream &operator>>(istream& is,vector<T> &v){for(T &in:v)is>>in;return is;}
template<typename T1,typename T2> ostream &operator<< (ostream &os, const pair<T1,T2> &p){os << p.first <<" "<<p.second;return os;}
ostream &operator<< (ostream &os, const modint1000000007 &m){os << m.val();return os;}
istream &operator>> (istream &is, modint1000000007 &m){ll in;is>>in;m=in;return is;}
ostream &operator<< (ostream &os, const modint998244353 &m){os << m.val();return os;}
istream &operator>> (istream &is, modint998244353 &m){ll in;is>>in;m=in;return is;}
template<class... T> void input(T&... a){(cin>> ... >> a);}
#ifdef LOCAL
template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){os<<"\x1b[32m";rep(i,v.size())os<<v[i]<<(i+1!=v.size()?" ":"");os<<"\x1b[0m";return os;}
template<class T> void print(T& a){cout << "\x1b[32m"<< a<< '\n' << "\x1b[0m";}
template<class T,class... Ts> void print(const T&a, const Ts&... b){cout << "\x1b[32m" << a;(cout<<...<<(cout<<' ',b));cout<<'\n' << "\x1b[0m";}
#else
template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){rep(i,v.size())os<<v[i]<<(i+1!=v.size()?" ":"");return os;}
template<class T> void print(T& a){cout << a<< '\n';}
template<class T,class... Ts> void print(const T&a, const Ts&... b){cout << a;(cout<<...<<(cout<<' ',b));cout<<'\n';}
#endif
#define VI(v,n) vi v(n); input(v)
#define INT(...) int __VA_ARGS__; input(__VA_ARGS__)
#define STR(...) string __VA_ARGS__; input(__VA_ARGS__)
#define CHAR(...) char __VA_ARGS__; input(__VA_ARGS__)
int sign(ll x){return x>0?1:x<0?-1:0;}
ll ceil(ll x,ll y){assert(y!=0);if(sign(x)==sign(y))return (x+y-1)/y;return -((-x/y));}
ll floor(ll x,ll y){assert(y!=0);if(sign(x)==sign(y))return x/y;if(y<0)x*=-1,y*=-1;return x/y-(x%y<0);}
ll abs(ll x,ll y){return abs(x-y);}
ll bit(int n){return 1ll<<n;}
bool ins(string s,string t){return s.find(t)!=string::npos;}
P operator+ (const P &p, const P &q){ return P{p.first+q.first,p.second+q.second};}
P operator- (const P &p, const P &q){ return P{p.first-q.first,p.second-q.second};}
void yesno(bool ok,string y="Yes",string n="No"){ cout<<(ok?y:n)<<endl;}
void YESNO(bool ok,string y="YES",string n="NO"){ cout<<(ok?y:n)<<endl;}
int di[]={-1,0,1,0,-1,-1,1,1};
int dj[]={0,1,0,-1,-1,1,-1,1};
const ll INF = 8e18;
//using mint = modint1000000007;
//using mint = modint998244353;
//mint stom(const string &s,int b=10){mint res = 0;for(auto c:s)res *= b,res += c-'0';return res;}
template <typename T, bool Minimize>
struct Binary_Optimization {
    int n;
    int s,t;
    T base_cost;
    map<pair<int,int>,T> edges;
 
    Binary_Optimization(int n):n(n),base_cost(0){
        s = n;
        t = s+1;
    }

    void add_1(int i,T x0,T x1) {
        assert(0<=i &&i<n);
        if(!Minimize){
            x0 = -x0;
            x1 = -x1;
        }
        _add_1(i,x0,x1);
    }

    void add_2(int i,int j,T x00,T x01,T x10,T x11) {
        assert(i!=j);
        assert(0<=i && i<n);
        assert(0<=j && j<n);
        if (!Minimize) {
            x00 = -x00;
            x01 = -x01;
            x10 = -x10;
            x11 = -x11;
        }
        _add_2(i,j,x00,x01,x10,x11);
    }

    pair<T,vector<bool>> solve(){
        mf_graph<T> G(n+2);
        for (auto &&[key,cap]:edges){
            auto [from,to] = key;
            G.add_edge(from,to,cap);
        }
        auto val = G.flow(s,t);
        val += base_cost;
        if (!Minimize) val = -val;
        auto cut = G.min_cut(s);
        return {val,cut};
    }
    
private:
    void _add_edge(int i,int j,T x){
        assert(x>=0);
        if(x==0)return;
        edges[{i,j}] += x;
    }
 
    void _add_1(int i, T x0, T x1) {
        if(x0<=x1){
            base_cost += x0;
            _add_edge(s,i,x1-x0);
        }
        else{
            base_cost += x1;
            _add_edge(i,t,x0-x1);
        }
    }
 
    void _add_2(int i,int j,T x00,T x01,T x10,T x11){
        assert(x00+x11<=x01+x10);
        _add_1(i,x00,x10);
        _add_1(j,0,x11-x10);
        _add_edge(i,j,x01+x10-x00-x11);
    }
};
signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(20);

    INT(n,s,t);
    vi e(s);cin>>e;
    vi r(t);cin>>r;
    vector c(n,vi(n));cin>>c;

    Binary_Optimization<int,false> g(n);
    for(auto &i:e){
        i--;
        g.add_1(i,0,-INF);
    }
    for(auto &i:r){
        i--;
        g.add_1(i,-INF,0);
    }
    rep(j,n)rep(i,j){
        g.add_2(i,j,c[i][j],0,0,c[i][j]);
    }
    print(g.solve().first);
    return 0;
}