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