#include <bits/stdc++.h>

using namespace std;

template <class F, class S>
ostream &operator<<(ostream &s, const pair<F, S> &v) {
    s << "(" << v.first << ", " << v.second << ")";
    return s;
}
template <ranges::range T,
          class = enable_if_t<!is_convertible_v<T, string_view>>>
istream &operator>>(istream &s, T &&v) {
    for (auto &&x : v) s >> x;
    return s;
}
template <ranges::range T,
          class = enable_if_t<!is_convertible_v<T, string_view>>>
ostream &operator<<(ostream &s, T &&v) {
    for (auto &&x : v) s << x << ' ';
    return s;
}

#ifdef LOCAL
template <class... T> void dbg(T... x) {
    char e{};
    ((cerr << e << x, e = ' '), ...);
}
#define debug(x...) dbg(#x, '=', x, '\n')
#else
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define debug(...) ((void)0)
#endif

#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define ff first
#define ss second

template <class T> inline constexpr T inf = numeric_limits<T>::max() / 2;
template <class T> bool chmin(T &a, T b) { return (b < a and (a = b, true)); }
template <class T> bool chmax(T &a, T b) { return (a < b and (a = b, true)); }

using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128;

constexpr i64 mod = 998244353;

void solve() {
    int n, m;
    i64 w;
    cin >> n >> m >> w;

    vector<i64> A(n);
    cin >> A;

    vector<i64> B(m), C(m);
    cin >> B;
    cin >> C;

    sort(rall(A));
    A.insert(A.begin(), 0);
    partial_sum(all(A), A.begin());

    i64 ans = 0;
    for (int s = 0; s < (1 << m); s++) {
        i64 c = 0;
        i64 g = 0;
        for (int i = 0; i < m; i++)
            if (s >> i & 1) {
                g += B[i];
                c += C[i];
            }

        if (g <= w) {
            c += A[min<i64>(n, w - g)];
            chmax(ans, c);
        }
    }

    cout << ans << '\n';

}

signed main() {
    cin.tie(0)->sync_with_stdio(false);
    cin.exceptions(cin.failbit);

    int t = 1;
    // cin >> t;

    while (t--) {
        solve();
    }
    
    return 0;
}