from itertools import accumulate

n, m, w = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = list(map(int, input().split()))

a.sort(reverse=True)
acc = [0] + list(accumulate(a))
ans = -1

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

print(ans)