#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //eolibraries #define lnf 3999999999999999999 #define inf 999999999 #define fi first #define se second #define pb push_back #define ll long long #define ld long double #define all(c) (c).begin(),(c).end() #define sz(c) (int)(c).size() #define make_unique(a) sort(all(a)),a.erase(unique(all(a)),a.end()) #define pii pair #define tpii pair #define rep(i,n) for(int i = 0 ; i < n ; i++) #define drep(i,n) for(int i = n-1 ; i >= 0 ; i--) #define crep(i,x,n) for(int i = x ; i < n ; i++) #define vi vector #define vec(...) vector<__VA_ARGS__> #define fcin ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); //eodefine using namespace std; const int mxn=302; //snuke's modular int // template const int mod=998244353; struct modularint{ ll x; modularint(ll x=0):x(x%mod){} modularint& operator+=(const modularint a){ if ((x += a.x) >= mod) x -= mod; return *this; } modularint& operator-=(const modularint a){ if ((x += mod-a.x) >= mod) x -= mod; return *this; } modularint& operator*=(const modularint a){ (x *= a.x) %= mod; return *this; } modularint operator+(const modularint a)const{ modularint res(*this); return res+=a; } modularint operator-(const modularint a)const{ modularint res(*this); return res-=a; } modularint operator*(const modularint a)const{ modularint res(*this); return res*=a; } modularint pow(int n)const{ modularint res=1,x(*this); while(n){ if(n&1)res*=x; x*=x; n>>=1; } return res; } modularint inv()const{ return pow(mod-2); } }; using mint=modularint; int main(){ fcin; string s; cin>>s; int n=sz(s); mint ans=0; rep(i,n){ mint val=s[i]-'0'; int a=i,b=n-i-1; mint l=2; l=l.pow(a); mint neh=9; mint r=11; r=r.pow(b); ans+=l*r*val; // cout<