#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  while (cin >> n) {
    int arr[100005];
    for (int i = 1; i <= n; i++) {
      cin >> arr[i];
    }
    long long cnt = 0;
    for (int i = 1; i < n; i++) {
      long long x = log2(n - i);
      arr[i + (1 << x)] += arr[i];
      cnt += arr[i];
      arr[i] = 0;
      cout << cnt << endl;
    }
  }
  return 0;
}
