MOD = 998244353

n = int(input())

isprime = [True] * n
div = {}
for i in range(2, n):
    if not isprime[i]:
        continue
    max_ = 1
    for j in range(i * i, n, i):
        isprime[j] = False
        cnt = 0
        while j % i == 0:
            j //= i
            cnt += 1
        max_ = max(max_, cnt)
    if n % i == 0:
        m = n - i ** max_
        while m % i == 0:
            max_ += 1
            m //= i
    div[i] = max_

ans = 1
for k, v in div.items():
    for _ in range(v):
        ans *= k
        ans %= MOD
print(ans % MOD)