import java.util.Scanner;

// Let's build a Christmas tree.
// Reference: https://www.javatpoint.com/christmas-tree-pattern-in-java
public class ChristmasTree {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        // tree height (number of stories)
        System.out.print("Enter height: ");
        int height = sc.nextInt();

        // tree width (width of the smallest story)
        System.out.print("Enter width: ");
        int width = sc.nextInt();
        
        int padding = width * 5;

        int x = 1;
        for (int a = 1; a <= height; a++) {
            for (int i = x; i <= width; i++) {
                for (int j = padding; j >= i; j--) {
                    // print padding
                    System.out.print(" ");
                }
                for (int k = 1; k <= i; k++) {
                    // print actual tree
                    System.out.print("* ");
                }
                System.out.println();
            }
            x = x + 2;
            width = width + 2;
        }

        // print stem
        for (int i = 1; i <= 4; i++) {
            for(int j = padding-3; j >= 1; j--) {
                System.out.print(" ");
            }

            for(int k= 1; k <= 4; k++) {
                System.out.print("* ");
            }

            System.out.println();
        }
    }
}