#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  long long ans = 0;
  for (int i = 0; i < 28; i++){
    ans += (long long) N * (N + 1) / 2 * (1 << i);
    int c = 0;
    for (int j = 0; j < N; j++){
      if ((A[j] >> i & 1) == 0){
        c++;
        ans -= (long long) c << i;
      } else {
        c = 0;
      }
    }
  }
  cout << ans << endl;
}