#if __INCLUDE_LEVEL__ == 0

#include <bits/stdc++.h>

using namespace std;

#undef assert
#define assert(expr) (expr) || (__builtin_unreachable(), 0)

#include __BASE_FILE__

namespace std::ranges::views {

namespace {

void solve() {
  int n, s, t;
  cin >> tie(n, s, t);
  vector<int> color(n);
  while (s--) {
    int i;
    cin >> i;
    --i;
    color[i] = 1;
  }
  while (t--) {
    int i;
    cin >> i;
    --i;
    color[i] = 2;
  }
  s = n;
  t = s + 1;
  atcoder::mf_graph<int64_t> g(t + 1);
  int64_t ans = 0;
  for (int i : iota(0, n)) {
    for (int j : iota(0, n)) {
      int c;
      cin >> c;
      if (i < j) {
        ans += c;
        if (color[i] && color[i] == color[j]) {
          continue;
        }
        g.add_edge(i, j, c);
        g.add_edge(j, i, c);
      }
    }
  }
  for (int i : iota(0, n)) {
    if (color[i] == 1) {
      g.add_edge(s, i, 1e18);
    } else if (color[i] == 2) {
      g.add_edge(i, t, 1e18);
    }
  }
  ans -= g.flow(s, t);
  cout << ans << '\n';
}

}  // namespace

}  // namespace std::ranges::views

using views::solve;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  solve();
}

#else  // __INCLUDE_LEVEL__

#include <atcoder/maxflow>

namespace std {

template <class T1, class T2>
istream& operator>>(istream& is, pair<T1, T2>& p) {
  return is >> p.first >> p.second;
}

template <class... Ts>
istream& operator>>(istream& is, tuple<Ts...>& t) {
  return apply([&is](auto&... xs) -> istream& { return (is >> ... >> xs); }, t);
}

template <class... Ts>
istream& operator>>(istream& is, tuple<Ts&...>&& t) {
  return is >> t;
}

template <class R, enable_if_t<!is_convertible_v<R, string>>* = nullptr>
auto operator>>(istream& is, R&& r) -> decltype(is >> *begin(r)) {
  for (auto&& e : r) {
    is >> e;
  }
  return is;
}

template <class T1, class T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) {
  return os << p.first << ' ' << p.second;
}

template <class... Ts>
ostream& operator<<(ostream& os, const tuple<Ts...>& t) {
  auto f = [&os](const auto&... xs) -> ostream& {
    [[maybe_unused]] auto sep = "";
    ((os << exchange(sep, " ") << xs), ...);
    return os;
  };
  return apply(f, t);
}

template <class R, enable_if_t<!is_convertible_v<R, string_view>>* = nullptr>
auto operator<<(ostream& os, R&& r) -> decltype(os << *begin(r)) {
  auto sep = "";
  for (auto&& e : r) {
    os << exchange(sep, " ") << e;
  }
  return os;
}

}  // namespace std

#endif  // __INCLUDE_LEVEL__