#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;
using P = pair<ll, ll>;
using vp = vector<pair<ll, ll>>;
#define mod 998244353
#define all(v) v.begin(), v.end()
#define resort(v) sort(v.rbegin(), v.rend())
#define rep(i, n) for (ll i = 0; i < n; ++i)
#define per(i, n) for (ll i = n - 1; i >= 0; --i)
#define rep2(i, a, n) for (ll i = a; i < n; ++i)
#define per2(i, a, n) for (ll i = n - 1; i >= a; --i)
#define chmin(a, b) a = min(a, b)
#define chmax(a, b) a = max(a, b)
const ll inf = 1ll << 60;
ll dx[] = {1,0,0,-1,1,-1,1,-1};
ll dy[] = {0,1,-1,0,1,1,-1,-1};

int main() {
    ll n, m, w, ans = 0;
    cin >> n >> m >> w;
    vll a(n), b(m), c(m), s(n + 1);
    rep(i, n) cin >> a[i];
    rep(i, m) cin >> b[i];
    rep(i, m) cin >> c[i];
    resort(a);
    s[0] = 0;
    rep(i, n) s[i + 1] = s[i] + a[i];
    vvll dp(m + 1, vll(1ll << m));
    vvll dpw(m + 1, vll(1ll << m));
    rep(i, m){
        rep(j, (1ll << m)){
            chmax(dp[i + 1][j], dp[i][j]);
            if(dpw[i][j] + b[i] <= w) chmax(dp[i + 1][j | (1ll << i)], dp[i][j] + c[i]);
            dpw[i + 1][j] = dpw[i][j];
            dpw[i + 1][j | (1ll << i)] = dpw[i][j] + b[i];
        }
    }
    ans = s[n];
    rep(i, (1ll << m)){
        //cout << dpw[m][i] << endl;
        //cout << "i: " << i << endl; // デバッグ情報: i の値を出力
        if(dpw[m][i] > w) continue;
        if(w - dpw[m][i] >= 0 && w - dpw[m][i] < n) chmax(ans, dp[m][i] + s[w - dpw[m][i]]);
        else chmax(ans, dp[m][i]);
    }
    cout << ans << endl;
}