#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
#define F first
#define S second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define SZ(x) (int)(x).size()
#define int ll
const int N = 2010;
int a[N], dp[N][N];
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
for (int i = 0; i <= n; i++) {
for (int j = 1; j <= n; j++) {
dp[i][j] = -1e18;
}
}
dp[1][1] = a[1];
for (int i = 2; i <= n; i++) {
for (int j = 1; j <= i; j++) {
dp[i][j] = max(dp[i - 1][j], dp[i - 2][j - 1] + a[i]);
}
}
for (int i = 1; i <= (n + 1) / 2; i++) {
cout << dp[n][i] << '\n';
}
cout << '\n';
}
