/************************************************
 ** Your very first example of recursion!  Use
 ** the debugger to step through this program!
 ************************************************/
#include <iostream>
using namespace std;

void line(int);

int main()
{
  line(4);
  return 0;
}

void line(int k)
{
  // Takes care of bad arguments!
  if (k < 0)
    return;
  
  // Takes care of everything else!
  for(int i = 0; i < k; i++)
    cout << '*';
  cout << endl;

  // Print a line of length k-1
  line(k-1);
}