from copy import copy n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) c = copy(a) c = sorted(c) ind = n//2-3 ans = (None, pow(10, 15)) for i in range(6): j = ind+i if j>=n: continue if j<0: continue x = c[j] tmp = 0 for k in range(n): tmp += b[k] * abs(x-a[k]) if tmp