#pragma GCC optimize("O3")

#ifdef LOCAL
#include "algo/debug_ver3.hpp"
#else
#define debug(...)
#define debugArr(...)
#endif

#include <bits/stdc++.h>

using namespace std;

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

	int n, m;
	long long w;
	cin >> n >> m >> w;

	vector<long long> a(n), b(m), c(m);
	for (int i = 0; i < n; ++i) cin >> a[i];
	for (int i = 0; i < m; ++i) cin >> b[i];
	for (int i = 0; i < m; ++i) cin >> c[i];

	vector<vector<long long>> dp(n + 1, vector<long long>(n + 1));
	for (int i = 0; i < n; ++i) for (int j = 0; j <= n; ++j) {
		if (j + 1 <= n) dp[i][j + 1] = max(dp[i][j + 1], dp[i][j]);
		if (j + 1 <= n) dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + a[i]);
		dp[i + 1][j] = max(dp[i + 1][j], dp[i][j]);
	}

	long long res = 0;
	for (int bit = 0; bit < 1 << m; ++bit) {
		long long weight = 0, value = 0;
		for (int i = 0; i < m; ++i) if (bit & 1 << i) weight += b[i], value += c[i];
		if (weight > w) continue;

		res = max(res, value + dp[n][min(w - weight, (long long)(n))]);
	}

	cout << res << '\n';
}