from collections import Counter

MOD = 998244353
N = input()

d = Counter(list(map(int,list(N))))

fact = [1]
for i in range(3*10**5):
    fact.append(fact[-1] * (i+1) % MOD)

ans = fact[len(N)]
for i in d:
    ans *= pow(fact[d[i]],-1,MOD)
    ans %= MOD

if(d[0] > 0):
    tmp = fact[len(N)-1]
    d[0] -= 1
    for i in d:
        tmp *= pow(fact[d[i]],-1,MOD)
        tmp %= MOD
    ans -= tmp
    ans %= MOD
print(ans)