from collections import defaultdict

N, M = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))

sums = [0 for _ in range(N + 1)]
for i in range(N):
    sums[i + 1] = sums[i] + B[i % M]

sc = sum(C)
ans = sum(C)
d = defaultdict(int)
for i in range(N):
    d[A[i] - sums[i]] += C[i]
for i in range(N):
    ans = min(ans, sc - d[A[i] - sums[i]])
print(ans)