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()))
now = 0
d = defaultdict(int)
for i in range(N):
    d[now-A[i]] += C[i]
    now += B[i%M]
print(sum(C)-max(d.values()))