#include <bits/stdc++.h>
using namespace std;
#define dbg(x) cerr << #x << ": " << x << endl;
const int MAX_N = (int)2000;
long long dp[MAX_N][MAX_N / 2];
const long long MINUS_INF = -1e15;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<long long> a(n);
for (auto& x : a) cin >> x;
for (int i = 0; i < MAX_N; ++i) {
for (int j = 0; j < MAX_N / 2; ++j) {
dp[i][j] = MINUS_INF;
}
}
dp[0][0] = 0;
dp[0][1] = a[0];
for (int i = 1; i < n; ++i) {
dp[i][0] = 0;
for (int j = 1; j <= (i + 2) / 2; ++j) {
dp[i][j] = max(dp[i - 1][j], a[i] + (i >= 2 ? dp[i - 2][j - 1] : 0));
}
}
for (int j = 1; j <= (n + 1) / 2; ++j) {
cout << dp[n - 1][j] << '\n';
}
return 0;
}
