// editor1
import java.util.Scanner;
public class Main {
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int n=sc.nextlnt();
        if(n<1||n>10){
           System.out.println("Invalid Input");
           return;
        }
        for (int i=1;i<=n;i++)
        {
            for (int j=1;j<=n-i++)
            {
                System.out.print("");
            }   
            
            for(int j=1;j<=i;j++){
                System.out.print("*");
            }
            System.out.println();
        }
        for(int i=n-1;i>=1;i--) 
        {
            for(int j=1;j<=n-i;j++)
            {
                System.out.print(" ");
            }
            for (int j=1;j<=i,j++)
            {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}