#include <iostream>
using namespace std;

void countDown(int n)
{
  cout << n << ' '; // the part I know how to do
  if (n > 0) // look for base case
    countDown(n - 1); // do this if not base case
} // countDown

int main()
{
  int n;
  cout << "Enter n: ";
  cin >> n;
  cin.ignore(1000, 10);

  countDown(n);
  cout << endl;
} // main