#include <algorithm>
#include <bit>
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <deque>
#include <iostream>
#include <map>
#include <random>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <set>
#include <string>

using namespace::std;

template <typename T>
void print(const T& v) {
 for (const auto& x : v) cout << x << " ";
 cout << endl;
}

int main() {
  ios::sync_with_stdio(false);
   long long n, m, w;
  cin >> n >> m >> w;
  vector< long long> dw(n + m);
  for ( long long i = 0ll; i < n; ++i) cin >> dw[i];
  vector< long long> dv(n + m);
  for ( long long i = 0ll; i < n; ++i) cin >> dv[i];
  for ( long long i = 0ll; i < m; ++i) { cin >> dw[n + i]; dw[n + i] = -dw[n + i]; }
  for ( long long i = 0ll; i < m; ++i) { cin >> dv[n + i]; dv[n + i] = -dv[n + i]; }
  
  vector<vector<long long>> d(1ll << (n + m), vector<long long>(w + 1ll, -1e18 - 7));
  d[0][0] = 0;
  long long r = -1e18 - 7;
  for ( long long s = 1ll; s < 1ll << (n + m); ++s)
    for ( long long i = 0ll; i < n + m; ++i)
      if (s & (1ll << i))
        for ( long long pw = 0ll; pw <= w; ++pw) {
           long long nw = pw + dw[i];
          if (0ll <= nw && nw <= w) {
            d[s][nw] = max(d[s][nw], d[s ^ (1ll << i)][pw] + dv[i]);   
            r = max(r, d[s][nw]);
          }
        }
  
  cout << r << endl;

  return 0;
}