import itertools

# M<=20よりMについて全探索
N, M, W = map(int, input().split())
A = sorted(list(map(int, input().split())))[::-1]
As = list(itertools.accumulate(A))
B = list(map(int, input().split()))
C = list(map(int, input().split()))
cnt = []

for i in range(2**M):
    ws = 0
    ps = 0
    flag = True
    for j in range(M):
        if ((i >> j) & 1):
            ws += B[j]
            ps += C[j]
            if ws > W:
                flag = False
                break
    if flag:
        if ws == W:
            cnt.append(ps)
        else:
            remaining_weight = W - ws
            if remaining_weight - 1 < len(A):
                cnt.append(ps + As[remaining_weight - 1])
            else:
                cnt.append(ps + As[-1])

print(max(cnt))
"🐬"