#include <bits/stdc++.h>
using namespace std;

using ll = int64_t;
#define fi first
#define se second

int main(){
  ll n,mod=998244353;
  cin>>n;
  ll a[n];
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  ll ans=0,x,y;
  int countx,county;
  for(int j=1;j<n-1;j++){
    x=0,y=0;
    countx=0,county=0;
    for(int i=0;i<j;i++){
      if(a[i]>a[j]){
        x+=a[i];
        countx++;
      }
    }
    for(int k=j+1;k<n;k++){
      if(a[j]>a[k]){
        y+=a[k];
        county++;
      }
    }
    x%=mod;
    y%=mod;
    ans+=x*county+y*countx+countx*county*a[j];
    ans%=mod;
  }
  cout<<ans<<endl;
}