#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=pair<int,int>;

#define all(a) a.begin(),a.end()
#define pb push_back
#define sz(a) ((int)a.size())

int n,m,w,a[20],b[20];
bool dp[1<<15];

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n >> m >> w; n+=m;
    for(int i=0; i<n-m; ++i) cin >> a[i];
    for(int i=0; i<n-m; ++i) cin >> b[i];
    for(int i=0; i<m; ++i) cin >> a[n-m+i],a[n-m+i]*=-1;
    for(int i=0; i<m; ++i) cin >> b[n-m+i],b[n-m+i]*=-1;
    dp[0]=1;
    int res=0;
    for(int s=0; s<(1<<n); ++s) if(dp[s]){
        int tot=0,val=0;
        for(int i=0; i<n; ++i) if(s>>i&1) tot+=a[i],val+=b[i];
        for(int i=0; i<n; ++i) if(!(s>>i&1)) if(tot+a[i]>=0&&tot+a[i]<=w) dp[s^(1<<i)]=1;
        res=max(res,val);
    }
    cout << res << "\n";
}