#include <bits/stdc++.h>

using namespace std;

using i64 = long long;

#define yn(pope) (pope ? "Yes" : "No")

#define rep(i, n, m) for (int i = (n); i < (m); i++)
#define rrep(i, n, m) for (int i = (n); i > m; i--)

#define IINF (1 << 30)
#define INF (1ll << 60)

#define all(v) v.begin(), v.end()

int main() {
  int N, M;
  i64 W; cin >> N >> M >> W;

  vector<i64> A(N), B(M), C(M);

  for (i64 &x : A) { cin >> x; }
  for (i64 &x : B) { cin >> x; }
  for (i64 &x : C) { cin >> x; }

  sort(all(A));
  reverse(all(A));

  vector<i64> sum(N + 1);

  rep(i, 1, N + 1) {
    sum[i] = sum[i - 1] + A[i - 1];
  }

  i64 ans = 0;

  rep(i, 0, (1 << M)) {
    i64 w = 0;
    i64 v = 0;

    rep(j, 0, M) {
      w += B[j] * ((i >> j) & 1);
      v += C[j] * ((i >> j) & 1);
    }

    v += sum[max(0ll, min((i64)N, W - w))];

    if (w <= W) { ans = max(ans, v); }
  }

  cout << ans << endl;

  return 0;
}