#include<iostream>
using namespace std;
main (){

    int batas;

    cout<<"Masukkan Batas : ";
    cin>>batas;
    cout<<endl;

    for (int a=1;a<=batas;a++)
    {

        for (int b=1;b<=a;b++)
        {
            if (b==1 or a==batas or a==b)
                cout<<" *";
            else
                cout<<"  ";
        }

        cout<<endl;
    }
  }