N =int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) sm_a, sm_b = [0], [0] for i in range(N): sm_a.append(sm_a[-1]+A[i]) sm_b.append(sm_b[-1]+B[i]) resa, resb = 0, 0 C = [0] for i in range(2*N-1): if i