#include <bits/stdc++.h>
using namespace std;

int main() {
	int n; cin >> n;
	vector<int> arr(n);
	for(int i = 0; i < n; i++)
	cin >> arr[i];
	
	vector<int> pref(n);
	pref[0] = arr[0];
	for(int i = 1; i < n; i++){
		pref[i] = max(pref[i-1]+arr[i], arr[i]);
	}
	for(int i = 0; i < n; i++){
		cout << pref[i] << " ";
	}
	return 0;
}