import typing
import sys
from collections import defaultdict
input = lambda: sys.stdin.readline().strip()
inf = 10**18
mod = 998244353
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
# sys.setrecursionlimit(10**6)

def solve():
  N, M, W = map(int, input().split())
  A = list(map(int, input().split()))
  A.sort(reverse=True)
  acc = [0]
  for a in A:
    acc.append(a+acc[-1])

  B = list(map(int, input().split()))
  C = list(map(int, input().split()))
  ans = 0
  for s in range(1<<M):
    v = w = 0
    for i in range(M):
      if (s >> i)&1:
        v += C[i]
        w += B[i]
    if w > W:
      continue
    v += acc[min(N, W-w)]
    ans = max(ans, v)
  print(ans)
def main():
  t = 1
  for _ in range(t):
    solve()
main()