#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define MAX 20005
//#define MOD 1000000007
#define MOD 998244353
//#define INF 1000000000
#define INF 1000000000000000000

int main(){
  int N;
  cin>>N;
  vector<pair<int,int>> P(N);
  for(int i=0;i<N;i++){
    cin>>P[i].first;
    P[i].second=i;
  }
  sort(P.begin(),P.end(),greater<pair<int,int>>{});

  ll ans=0;
  ll sub=(ll)N*((ll)N+1)/2;
  for(int i=0;i<N;i++){
    ans=max<ll>(ans,sub-2*((ll)P[i].second+1));
    sub-=((ll)P[i].second+1);
  }
  cout<<ans<<'\n';
}