import java.util.Scanner;

public class main
{
    public static void main(String[] args)
    {
        int x;
        boolean isEven = false;
        while(isEven == false)
        {
            System.out.println("Select Size");
            Scanner sc = new Scanner(System.in);

            int size = Integer.parseInt(sc.nextLine());
            if (size % 2 == 1 )
            {
                    printTop(size);
                    printBase(size);

                    isEven = true;
            }
            else
            {
                System.out.println("Please give an int...");
            }
        }
    }

    private static void printBase(int size)
    {
        for(int i = size/2; i>0; i--)
        {
            for(int j = size/2 + (size/2 + 1)/2; j>0; j--)
            {
                printSpace();
            }

            for(int j = size/2 + 1; j>0; j--)
            {
                printStar();
            }

            System.out.println();
        }
    }

    private static void printTop(int size)
    {
        for (int i = size; i>0; i--)
        {
            for(int j = size - Math.round((size * 2 - i * 2 + 1)/2)-1 ; j>0; j--)
            {
                printSpace();
            }

            for(int j = size * 2 - i * 2 + 1; j>0; j--)
            {
                printStar();
            }


            for(int j = i/2 ; j>0; j--)
            {
                printSpace();
            }
            System.out.println();
        }
    }

    private static void printStar()
    {
        System.out.print("*");
    }

    private static void printSpace()
    {
        System.out.print(" ");
    }



}