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()))
A.sort(reverse=True)
cumA=[0 for _ in range(N+1)]
for i in range(N):
    cumA[i]=cumA[i-1]+A[i]
ans=0
for i in range(2**M):
    w=0;v=0
    for j in range(M):
        if i>>j&1:w+=B[j];v+=C[j]
    if w<W:
        dw=min(N,W-w)
        w+=dw
        v+=cumA[dw-1]
    if w<=W:ans=max(ans,v)
print(ans)