import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for k in range(c)] for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10**9) INF = 10**19 MOD = 10**9 + 7 EPS = 10**-10 def trisearch_min(lo, hi, func, times): """ 三分探索(小数) """ for _ in range(times): m1 = (lo*2+hi) / 3 m2 = (lo+hi*2) / 3 res1 = func(m1) res2 = func(m2) if res1 <= res2: hi = m2 else: lo = m1 return m1, m2 N = INT() A = LIST() B = LIST() def check(m): res = 0 for i in range(N): res += B[i] * abs(m-A[i]) return res res = trisearch_min(-INF, INF, check, 500) ans = round(check(res[0])) print('{:.10f}'.format(res[0]), ans)