#include #include using namespace std; using namespace atcoder; typedef long long ll; typedef modint998244353 mint; typedef pair P; #define rep(i,a,b) for(ll i=a;i=b;i--) const ll inf=1e18; int main(void){ cin.tie(0); ios::sync_with_stdio(0); string s; cin>>s; rep(i,0,s.size()){ if(i==0){ cout<