/*
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*/
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("=======================================================");
}
}