#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> a(n);
  int x = 0;
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
    a[i] += x;
    x = max(x, a[i]);
    cout << a[i] << ' ';
  }
  return 0;
}
