import sys

inf = float("inf")

input = lambda: sys.stdin.readline().rstrip("\r\n")

print = lambda *args, end="\n", sep=" ": sys.stdout.write(
    sep.join(map(str, args)) + end
)


def II():
    return int(input())


def MII(b=0):
    return map(lambda x: int(x) - b, input().split())


def LII(b=0):
    return list(MII(b))


def comb(n, m, mod=998244353):
    if m > n or m < 0:
        return 0
    if m == 0 or m == n:
        return 1
    numerator = 1
    denominator = 1
    for i in range(1, min(m, n - m) + 1):
        numerator *= n - i + 1
        denominator *= i
        numerator %= mod
        denominator %= mod

    return numerator * pow(denominator, mod - 2, mod) % mod


def perm(n, m, mod=998244353):
    if m > n or m < 0:
        return 0
    result = 1
    for i in range(n, n - m, -1):
        result *= i
        result %= mod
    return result


n = II()
a, b = LII(), LII()
a.sort()
b.sort(reverse=True)
x, y = 0, 0
for ai, bi in zip(a, b):
    if ai > bi:
        x += 1
    elif ai < bi:
        y += 1

print((perm(x, x) * perm(y, y)) % 998244353)