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()))

Bs = [0]
for i in range(N - 1):
    Bs.append(Bs[-1] + B[i % M])

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

for x in d:
    ans = min(ans, sc - d[x])

print(ans)