from itertools import permutations

N = int(input())

A = list(map(int, input().split()))
B = list(map(int, input().split()))

x = 0
y = 0

for p in permutations(A, r=N):
    
    s = sum([p[i] - B[i] + abs(p[i] - B[i]) for i in range(N)])
    
    if s > x:
        x = s
        y = 1
        
    elif s == x:
        y += 1
        
print(y)