#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, b, a[200000], x[200000];
  cin >> n;
  cin >> b;
  x[0] = 0;
  a[0] = b;
  for (int i = 1; i < n; i++) {
    cin >> b;
    x[i] = max(x[i - 1], a[i - 1]);
    a[i] = b + x[i];
  }
  for (int i = 0; i < n; i++) cout << a[i] << " ";
  return 0;
}
