s = input()
n = len(s)
s = s[::-1]
MOD = 998244353


ans = 0
under = 1
for i, char in enumerate(s):
    val = int(char)
    over = pow(2, n - i - 1, MOD)
    ans += over * val * under
    under += under * 10    
    ans %= MOD
    under %= MOD

print(ans % MOD)