import math

N = 10**6+1
spf = [-1]*(N+1)
for i in range(N+1):
    spf[i] = i
for i in range(2, int(math.sqrt(N))+1):
    if spf[i] == i:
        for j in range(i*2, N+1, i):
            if spf[j] == j:
                spf[j] = i

from collections import defaultdict
def factorize(n):
    d = defaultdict(lambda: 0)
    if n == 1:
        d[1] = 1
        return d
    while n != 1:
        p = spf[n]
        d[p] += 1
        n //= p
    return d

n = int(input())

mod = 998244353
P = defaultdict(lambda: 0)
for i in range(1, n):
    d0 = factorize(i)
    d1 = factorize(n-i)
    for k, v in d0.items():
        P[k] = max(P[k], v+d1[k])
    for k, v in d1.items():
        P[k] = max(P[k], v+d0[k])
ans = 1
for k, v in P.items():
    ans *= pow(k, v, mod)
    ans %= mod
print(ans)