#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int main()
{
int n;
cin>>n;
vl a(n + 1);
for (int i = 1;i<=n;i++)cin>>a[i];
vvl dp(n + 1,vl(n + 1,-inf));
dp[1][1] = a[1];
for (int i = 0;i<=n;i++)dp[i][0] = 0;
for (int i = 2;i<=n;i++){
for (int j = 1;j<=n;j++)dp[i][j] = max(dp[i - 1][j],dp[i - 2][j - 1] + a[i]);
}
for (int j = 1;j<=(n + 1)/2;j++)cout<<dp[n][j]<<'\n';
return 0;
}
