#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, a[100000 + 10];
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  for (int i = 0; i < n - 1; i++) {
    cout << a[i] + a[i + 1] << " ";
  }
  cout << a[n - 1] << endl;
}
