#include <bits/stdc++.h>
// #include <atcoder/all>
using namespace std;
// using namespace atcoder;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rep1(i, n) for (int i = 1; i <= (n); i++)
#define rrep(i, n) for (int i = n - 1; i >= 0; i--)
#define rrep1(i, n) for (int i = n; i >= 1; i--)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define eb emplace_back
#define fi first
#define se second
#define sz(x) (int)(x).size()
template <class T> using V = vector<T>;
template <class T> using VV = V<V<T>>;
typedef long long int ll;
// typedef modint998244353 mint;

void speedUpIO() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
}

template <class T> bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
template <class T> bool chmin(T &a, const T &b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}
/*--------------------------------------------------*/
typedef pair<int, int> P;

const int INF = 1e9;
const ll LINF = 1e18;
const int MX = 1e5;

void solve() {
    ll n, m, w;
    cin >> n >> m >> w;
    V<ll> a(n), b(m), c(m);
    rep(i, n) cin >> a[i];
    rep(i, m) cin >> b[i];
    rep(i, m) cin >> c[i];
    sort(rall(a));
    V<ll> sa(n);
    sa[0] = a[0];
    rep1(i, n - 1) sa[i] = sa[i - 1] + a[i];
    ll ans = 0;
    rep(i, 1 << m) {
        ll sb = 0, sc = 0;
        rep(j, m) {
            if ((i >> j) & 1) {
                sb += b[j];
                sc += c[j];
            }
        }
        if (sb > w) continue;
        if (sb == w) {
            chmax(ans, sc);
            continue;
        }
        sc += sa[min(n, w - sb) - 1];
        chmax(ans, sc);
    }
    cout << ans << "\n";
}

int main() {
    speedUpIO();
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
        // cout << solve() << "\n";
        // cout << (solve() ? "Yes" : "No") << "\n";
        // cout << fixed << setprecision(15) << solve() << "\n";
    }
    return 0;
}