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