#include <iostream.h>
#include <conio.h>

int main ()
{
  clrscr();
  int i,k,j,n,l;
  cin>>n;
  l=0;
  for(i=1;i<=(n/2+1);i++)
  {
    for(j=1;j<=(n/2+1-i);j++)
    {
     cout<<" ";
    }
    cout<<"*";
    for (k=1;k<=l;k++)
    {
    cout<<" ";
    }
    if (i==1)
    {
    l=1;
    cout<<endl;
    }
    if (i!=1)
    {
    cout<<"*";
    cout<<endl;
    l=l+2;
    }

  }
  l=l-2;
    for (i=n/2+2;i<=n;i++)
  {
    for (j=1;j<=i-(n/2+1);j++)
     {
      cout<<" ";
      }
      cout<<"*";
      l=l-2;
      for (k=1;k<=l;k++)
      {
      cout<<" " ;
      }
      if ( i!=n)
      {
      cout<<"*";
      cout<<endl;
      }
    }

  getch();
  return 0;
}