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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package BASICJAVA;

import java.util.Scanner;

/**
 *
 * @author ABIR
 */
public class Hollow_Triangle_Star {
    public static void main(String[]Args){
        Scanner abir=new Scanner(System.in);
        System.out.println("entar anum");
        int x=abir.nextInt();
        System.out.println("Sample output");
        int c=1;
        while(c<=(x-1)){
          System.out.println();
          int d=1;
          while(d<=(x-c)){
            System.out.print(" ");
            d++;
          }
          int e = 1;
          while (e<=(2*(c)-1)){
            if((e==1) || (e==2*(c)-1)){
              System.out.print ("*");
            }
            else{
              System.out.print (" ");
            }
            e++;
          }
          c++;
        }
        System.out.println();
        int f = 1;
        while (f<=(2*x-1)){
          System.out.print("*");
          f++;
        }
        System.out.println();
        System.out.println("=======================================================");
      }
}