#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
long long int ara[N];
int main() {
  long long int n, i, j, k, s = 0, ts;
  cin >> n;
  for (i = 1; i <= n; i++) cin >> ara[i];
  for (i = 1; i < n; i++) {
    for (j = 30; ara[i] > 0 && j >= 0; j--) {
      if ((i + (1 << j)) > n) continue;
      s += ara[i];
      ara[(i + (1 << j))] += ara[i];
      ara[i] = 0;
    }
    cout << s << "\n";
  }
  return 0;
}
