from collections import defaultdict

def main():
    N,M = map(int,input().split())
    A = list(map(int,input().split()))
    B = list(map(int,input().split()))
    C = list(map(int,input().split()))
    assert 1 <= M < N <= 2*10**5
    for a in A:
        assert -10**9 <= a <= 10**9
    for b in B:
        assert -10**9 <= b <= 10**9
    for c in C:
        assert 1 <= c <= 10**9
    A_hope = [A[0]]
    for i in range(N-1):
        A_hope.append(A_hope[-1]+B[i%M])
    # print(A_hope)
    diff_hope = []
    for i in range(N):
        diff_hope.append(A[i]-A_hope[i])
    # print(diff_hope)
    C_per_diff = defaultdict(int)
    for i in range(N):
        C_per_diff[diff_hope[i]] += C[i]
    # print(C_per_diff)
    print(sum(C) - max(C_per_diff.values()))
    
if __name__ == "__main__":
    main()