P = list(range(10**6))
for i in range(2,10**6):
    if i*i>10**6:break
    for j in range(i*i,10**6,i):
        P[j] = P[i]
MOD = 998244353
N = int(input())
def p_fact(x):
    C = {}
    while x>1:
        p = P[x]
        C[p] = C.get(p,0)+1
        x //= p
    return C
lcm = p_fact(N-1)
for i in range(2,N):
    C1 = p_fact(i)
    C = p_fact(N-i)
    for p in C1:
        C[p] = C.get(p,0)+C1[p]
    for p in C:
        lcm[p] = max(lcm.get(p,0),C[p])
ans = 1
for p in lcm:
    ans = (ans*pow(p,lcm[p],MOD))%MOD
print(ans)