n,m,W=map(int,input().split())
A=[int(_) for _ in input().split()]
B=[int(_) for _ in input().split()]
C=[int(_) for _ in input().split()]

A.sort(reverse=True)
S=[0]
for i in range(n):
    S.append(S[-1]+A[i])

V=0
for i in range(1<<m):
    w=sum(B[j] for j in range(m) if i & (1<<j))
    if w<=W:
        v=sum(C[j] for j in range(m) if i & (1<<j))+S[min(W-w,n)]
        if v>V:
            V=v

print(V)