#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  int x = 0;
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    arr[i] += x;
    x = max(x, arr[i]);
    cout << arr[i] << " " << endl;
  }
}
