#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  for (int i = 0; i < n; ++i) {
    cin >> arr[i];
  }
  for (int i = 0; i < n - 1; ++i) {
    cout << arr[i] + arr[i + 1] << " ";
  }
  cout << arr[n - 1] << endl;
}
