DEBUG = true
MOD = 10**9+7

def score(a, b)
    s = 0
    a.zip(b) do |(x, y)|
        s += x - y if x > y
    end
    s
end

def main
    _N = int
    _a = ints
    _b = ints
    max = 0
    cnt = 0
    
    _a.permutation(_N).each do |a|
        sc = score(a, _b)
        if sc == max
            cnt += 1
        elsif sc > max
            cnt = 1
            max = sc
        end
    end
    puts cnt
end

def int; gets.to_i; end
def ints; gets.split.map &:to_i; end
def string; gets.chomp; end
def rep(n, &b); n.times.map(&b); end
def yes; puts "Yes"; end
def no; puts "No"; end
def yesno t; t ? Yes : No; end
def debug(x); STDERR.puts x.inspect if DEBUG; end

def factorial(n, mod); (2..n).inject(1) { |f, x| f * x % mod }; end
def cumsum(xs); ys = [0]; xs.each { |x| ys << x + ys[-1] }; ys; end
def cumdiff(ys); xs = []; xs.inject { |x, y| xs << (d = y - x); d }; end
def mod_inv(x, mod); x.pow(mod-2, mod); end
def mod_div(x, y, mod); x * mod_inv(y, mod) % mod; end

main