import java.util.*;
class Pgm1
{
public static void main(String[] args)
{ 
	int s;
	int m;
	Scanner sc = new Scanner(System.in);
	System.out.print("\nEnter the Number:: ");
	  int n=sc.nextInt();
	  if(n%2==0)
	   {m=n;
	    n=n-1;
	   }
	   else
	   m=n+1;
	  s=1;
	  for(int k=0;k<(m/2)-1;k++)
	  {  for(int i=0;i<s;i++)
		  System.out.print("* ");
	     for(int j=(n-(s*2));j>0;j--)
	    	 System.out.print("  ");
	     for(int i=0;i<s;i++)
	    	 System.out.print("* ");
	     s++;
	     System.out.print("\n");
	  }

	    for(int i=0;i<n;i++)
	    	System.out.print("* ");

	   s=(m/2)-1;
	   for(int k=0;k<(m/2)-1;k++)
	  {  System.out.print("\n");
	     for(int i=0;i<s;i++)
	    	 System.out.print("* ");
	     for(int j=(n-(s*2));j>0;j--)
	    	 System.out.print("  ");
	     for(int i=0;i<s;i++)
	     System.out.print("* ");
	     s--;
	  }
	   sc.close();
}
}