from collections import Counter, defaultdict

N = int(input())
MOD = 998244353

table = [None] * (N + 1)
for i in range(2, N + 1):
    if table[i] is None:
        for j in range(i, N + 1, i):
            if table[j] is None:
                table[j] = i


def calc_factors(x):
    while x != 1:
        t = table[x]
        yield t
        x //= t


lcm_dict = defaultdict(int)
for x in range(1, N):
    y = N - x
    ct = Counter(calc_factors(x)) + Counter(calc_factors(y))
    for k, v in ct.items():
        lcm_dict[k] = max(lcm_dict[k], v)

ans = 1
for k, v in lcm_dict.items():
    ans *= pow(k, v, MOD)
    ans %= MOD
print(ans)