package week4;
import java.util.Scanner;
public class task1 {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the number of rows: ");
        int rows = scanner.nextInt();

        for (int i = rows; i >= 1; i--) {
        	for (int j = 1; j <= i; j++) {
        		System.out.println("*");
        	}
        	
        	int spaces = (rows - i) * 2 - 1;
        	if (spaces > 0) {
        		for (int j =1; j <= spaces; j++) {
        			System.out.println(" ");
        		}
        	}
        	
        	if (i < rows) {
        		for (int j = 1; j <= i; j++) {
        			System.out.println("*");
        			
        	} else {
        			for (int j = 1; j < i; j++) {
        				System.out.println("*");
        			}
        		}
        		
        	}
        
        }    
        System.out.println();
     }  
     scanner.close();
}