#include using namespace std; //#include //using namespace atcoder; using ll=long long; using Graph=vector>; #define MAX 1000000 //#define MOD 1000000007 #define MOD 998244353 //#define INF 1000000000 #define INF 1000000000000000000 class BIT{ int n; vector a; public: BIT(int n_):n(n_){ a.resize(n+1,0); } void add(int i,ll x){ while(i<=n){ a[i]+=x; i+=i&(-i); } } ll sum(int i){ ll ret=0; while(i>0){ ret+=a[i]; i-=i&(-i); } return ret; } ll sum(int l,int r){ l--; return sum(r)-sum(l); } }; int main(){ int N; cin>>N; vector A(N); for(int i=0;i>A[i]; } vector nums=A; sort(nums.begin(),nums.end()); nums.erase(unique(nums.begin(),nums.end()),nums.end()); int n=nums.size(); ll ans=0; BIT tree1(n); vector cnt1(N,0); for(int i=N-1;i>=0;i--){ int k=lower_bound(nums.begin(),nums.end(),A[i])-nums.begin(); tree1.add(k+1,1); cnt1[i]=tree1.sum(k); } vector> a(N); for(int i=0;i cnt2(N,0); for(int i=0;i=0;j--){ int i=a[j].second; ll x=sum2.sum(i); x%=MOD; ans+=A[i]*x%MOD; ans%=MOD; sum2.add(i+1,cnt2[i]); } //cout<