#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100 * 1000 + 17;
long long n, a[MAXN], ans;
int main() {
  ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> a[i];
  for (int i = 1; i < n; i++) {
    int t = log2(n - i);
    a[i + (1 << t)] += a[i];
    ans += a[i];
    a[i] = 0;
    cout << ans << endl;
  }
  return 0;
}
