//g++ 1.cpp -std=c++14 -O2 -I . #include using namespace std; #include using namespace atcoder; using ll = long long; using ld = long double; using vi = vector; using vvi = vector; using vll = vector; using vvll = vector; using vld = vector; using vvld = vector; using vst = vector; using vvst = vector; #define fi first #define se second #define pb push_back #define pq_big(T) priority_queue,less> #define pq_small(T) priority_queue,greater> #define all(a) a.begin(),a.end() #define rep(i,start,end) for(ll i=start;i<(ll)(end);i++) #define per(i,start,end) for(ll i=start;i>=(ll)(end);i--) #define uniq(a) sort(all(a));a.erase(unique(all(a)),a.end()) constexpr ll mod = 998244353; map value; // sum g[0] + ... + g[x] ll h(ll x){ if(x<=1){ return x; } if(value[x]!=0){ return value[x]; } ll res=0; ll n; if(x>=2){ //even g[2]+g[4]+...+g[2n] = g[1]+g[2]+...+g[n]+n n=x/2; res+=h(n)+n; } if(x>=1){ //1 mod 4 g[1]+g[5]+...+g[4n+1] = g[0]+g[4]+...+g[4n]+n+1 = g[4]+...+g[4n]+n+1 = g[1]+...+g[n]+3n+1 n=(x-1)/4; res+=h(n)+3*n+1; } if(x>=3){ //3 mod 4 g[3]+g[7]+...+g[4n+3] = g[4]+g[8]+...+g[4n+4]+n+1 = g[1]+...+g[n+1]+3n+3 n=(x-3)/4; res+=h(n+1)+3*n+3; res--; } res%=mod; value[x]=res; return res; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n; cin>>n; cout<