#include <bits/stdc++.h>
using namespace std;
long long n, i, a[100001];
int main() {
  cin >> n;
  for (i = 0; i < n; i++) cin >> a[i];
  for (i = 0; i < n - 1; i++) cout << a[i] + a[i + 1] << " ";
  cout << a[n - 1] << endl;
}
