from itertools import accumulate


def main():
    N, M, W = map(int, input().split())
    A = sorted(map(int, input().split()), reverse=True)
    B = list(map(int, input().split()))
    C = list(map(int, input().split()))
    A_accum = list(accumulate(A, initial=0))
    max_value = 0
    for bit in range(2**M):
        tmp_bit = bit
        idx = 0
        Y_weight_sum = 0
        Y_value_sum = 0
        while tmp_bit > 0:
            if tmp_bit & 1:
                Y_weight_sum += B[idx]
                Y_value_sum += C[idx]
            idx += 1
            tmp_bit >>= 1
        if Y_weight_sum > W:
            continue
        max_value = max(
            max_value,
            Y_value_sum + A_accum[min(W - Y_weight_sum, N)]
        )
    print(max_value)


if __name__ == "__main__":
    main()