N, M, W = list(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)
AA = [0] * (N + 1)
for i in range(1, N + 1):
    AA[i] = AA[i - 1] + A[i - 1]
ans = 0

for i in range(1 << M):
    x = i
    w = 0
    v = 0
    for i in range(M):
        if x & 1:
            w += B[i]
            v += C[i]
            if w > W:
                break
        x >>= 1
    else:
        v += AA[min(W - w, N)]
        ans = max(ans, v)

print(ans)