import sys, time, random
from collections import deque, Counter, defaultdict
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 61 - 1
mod = 998244353

n, m, w = mi()

a = li()
b = li()
c = li()

a.sort(reverse=True)

maxi = [0] * (n + 1)

for i in range(n):
    maxi[i + 1] = maxi[i] + a[i]
ans = 0
for bit in range(1 << m):
    weight = w
    value = 0
    for i in range(m):
        if 1 & (bit >> i):
            weight -= b[i]
            value += c[i]
    if weight < 0:
        continue
    value += maxi[min(n, weight)]
    ans = max(ans, value)
print(ans)