/*
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*/
package BASICJAVA;
import java.util.Scanner;
/**
*
* @author ABIR
*/
public class Triangle_Isosceles_Number {
public static void main(String[]args){
Scanner abir=new Scanner(System.in);
System.out.println("Enter sample input");
int x=abir.nextInt();
System.out.println("sample output");
int c=0;
while(c<x){
int d=0;
while(d<x-(c+1)){
System.out.print(" ");
d++;
}
int e=c+c+1;
int f=0;
while(f<e){
System.out.print(f+1);
f++;
}
System.out.println();
c++;
}
System.out.println("=======================================================");
}
}