#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,a,b) for(int i=a;i<b;i++)
using vi = vector<int>; // intの1次元の型に vi という別名をつける
using vvi = vector<vi>; // intの2次元の型に vvi という別名をつける
using si =vector<char>;
using ssi =vector<si>;
//using mint = modint998244353;
const long long INF = 1e18;
ll MIN(ll a,ll b){
if(a>b)return b;
else return a;
	
}

int main() { ll N,M,W;
cin>>N>>M>>W;
vector<ll>A(N),B(M),C(M);
rep(i,0,N)cin>>A[i];
rep(i,0,M)cin>>B[i];
rep(i,0,M)cin>>C[i];
vector<ll>SUM(N+1);
sort(A.begin(),A.end(),greater<ll>());
rep(i,0,N)SUM[i+1]+=SUM[i]+A[i];
ll ans=0;
for(ll bit=0;bit<(1<<M);bit++){ll sum=0;ll pr=0;
	rep(i,0,M){if(bit&(1<<i)){sum+=B[i];pr+=C[i];}}
	if(sum>W)continue;
		ans=max(ans,pr+SUM[MIN(W-sum,N)]);
	}
	cout<<ans;
}