N,M = map(int,input().split())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
C = list(map(int,input().split()))
A1 = [0]*N
for i in range(1,N):
    A1[i] = A1[i-1]+B[(i-1)%M]
D = [0]*N
for i in range(N):
    D[i] = A[i]-A1[i]
E = {}
for i in range(N):
    if D[i] not in E:
        E[D[i]] = []
    E[D[i]].append(i)
F = {d:0 for d in E}
for d in F:
    F[d] = sum(C[i] for i in E[d])
ans = sum(C)-max(F.values())
print(ans)