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()))
D = list(map(int, input().split()))
A = A + C
B = B + D

inf = 10 ** 18
N2 = 2 ** (N + M)
dp = [[-inf] * (W + 1) for i in range(1 << N2)]
dp[0][0] = 0
for s in range(N2):
    for w in range(W + 1):
        for i in range(N + M):
            if (s >> i) & 1:
                continue
            if i < N:
                if w + A[i] > W:
                    continue
                dp[s | (1 << i)][w + A[i]] = max(dp[s | (1 << i)][w + A[i]], dp[s][w] + B[i])
            else:
                if w - A[i] < 0:
                    continue
                dp[s | (1 << i)][w - A[i]] = max(dp[s | (1 << i)][w - A[i]], dp[s][w] - B[i])
                
ans = 0
for s in range(N2):
    for w in range(W + 1):
        ans = max(ans, dp[s][w])
        
print(ans)