#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int *b = new int[n];
  int max_val = 0;
  for (int i = 0; i < n; i++) {
    cin >> b[i];
    if (i == 0) {
    } else if (i == 1) {
      b[i] = b[0] + b[1];
      max_val = (b[0] > b[1]) ? b[0] : b[1];
    } else {
      b[i] = max_val + b[i];
      if (max_val < b[i]) max_val = b[i];
    }
    cout << b[i] << " ";
  }
  cout << endl;
  return 0;
}
