#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL), cout.tie(NULL);
  int n, t, num, x;
  long long int ans;
  cin >> n;
  vector<int> vect;
  vect.push_back(0);
  for (int i = 0; i < n; ++i) {
    cin >> x;
    vect.push_back(x);
  }
  long long int dp[n];
  dp[1] = vect[1];
  t = log2(n - 1);
  num = 1 + pow(2, t);
  vect[num] += vect[1];
  for (int i = 2; i <= n - 1; ++i) {
    dp[i] = dp[i - 1] + vect[i];
    t = log2(n - i);
    num = i + pow(2, t);
    vect[num] += vect[i];
  }
  for (int i = 1; i < n; ++i) cout << dp[i] << endl;
  return 0;
}
