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