MOD = 998244353
import collections

def prime_factorize(n):
    a = []
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a

def n_fact(N):
    c = collections.Counter(prime_factorize(N))
    return c

from collections import defaultdict
dic = defaultdict(int)
N = int(input())
for i in range(1, N):
    X = n_fact(i * (N - i))
    for k, v in X.items():
        if dic[k] < v:
            dic[k] = v
ans = 1
for k, v in dic.items():
    ans *= pow(k, v, MOD)
    ans %= MOD

print(ans)