public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextInt()){
            int i = sc.nextInt();
        int k = 2*(i-1);
        for(int j = 0;j<i;j++){
            
                for(int n = 0;n<k;n++){
                    System.out.printf(" ");
                }
            for(int x = 0;x<=j;x++)
            {
                
                
                
                System.out.printf("* ");
                
            }
            System.out.printf("\n");
            k = k-2;
        }
        }
        
        

    }
}
//        * 
//      * * 
//    * * * 
//  * * * * 
//* * * * *