import itertools

n=int(input())
a=[*map(int,input().split())]
b=[*map(int,input().split())]
A=[*itertools.permutations(a)]
chk={}
for i in A:
    cnt=0
    for j in range(n):
        if i[j]>b[j]:
            cnt+=i[j]-b[j]
    if cnt not in chk:
        chk[cnt]=1
    else:
        chk[cnt]+=1
print(sorted(chk.items(),key=lambda x:(-x[0],-x[1]))[0][1])