N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
sumAB,sumB2,sumAB2 = 0,0,0
for a,b in zip(A,B):
    sumAB += a*b
    sumAB2 += ((a**2)*(b**2))
    sumB2 += b**2
X = sumAB/sumB2
FX = 0
for a,b in zip(A,B):
    FX += b*abs(X-a)

print(X,FX)