#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;
}
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