N, M, W = map(int, input().split())
A = sorted(list(map(int, input().split())), reverse=True)
B = list(map(int, input().split()))
C = list(map(int, input().split()))

ans = 0
for i in range(2**M):
	lst = []
	for j in range(M):
		if (i >> j) & 1:
			lst.append(j)
	w = sum(B[i] for i in lst)
	v = sum(C[i] for i in lst)
	if W < w:
		continue

	j = 0
	while j < N and w + A[j] <= W:
		w += 1
		v += A[j]
		j += 1
	ans = max(ans, v)
print(ans)