#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>
#define fi first
#define sec second
#define ld long double
const int MAXN = 5e2;
const ll INF = 1e18;
const int MOD = 1e9 + 7;
const ld eps = 1e-6;
ll p[MAXN + 5], b[MAXN + 5];
ll dp[MAXN + 5][MAXN + 5];
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int tc = 1;
// cin >> tc;
for(;tc--;){
ll N, M, K; cin >> N >> M >> K;
for(int i = 1; i <= N; i++){
cin >> p[i];
}
for(int i = 0; i <= M; i++){
cin >> b[i];
}
ll ans = 0;
for(int i = 0; i <= N; i++){
for(int j = 0; j <= K; j++) dp[i][j] = -INF;
}
dp[0][0] = 0;
for(int i = 1; i <= N; i++){
for(int j = 0; j <= K; j++){
for(int k = p[i]; k <= M; k++){
if(j >= k - p[i]) dp[i][j] = max(dp[i][j], dp[i - 1][j - (k - p[i])] + b[k]);
}
ans = max(ans, dp[i][j]);
}
}
cout << ans << "\n";
}
}
/*
*/
