def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp % i == 0:
            cnt = 0
            while temp % i == 0:
                cnt += 1
                temp //= i
            arr.append([i, cnt])

    if temp != 1:
        arr.append([temp, 1])

    if arr == []:
        arr.append([n, 1])

    return arr


N = int(input())
MOD = 998244353
A = [0]*(N+1)
ans = 1
for i in range(1, N//2+1):
    x = factorization(i*(N-i))
    for n, c in x:
        A[n] = max(A[n], c)

for i in range(N+1):
    ans = ans*pow(i, A[i], MOD) % MOD
print(ans)