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

    int b,x,y,z;

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


    y=1;
    while (y<=b-1){
        z=y;
        while (z<=b)
        {
         cout<<"  ";
         z++;
        }
        x=1;
        while (x<=y-1)
        {
            if (x==1)
                cout<<" *";
            else
                cout<<"  ";
            x++;
        }
        x=y;
        while (x>=1)
        {
            if (x==1)
                cout<<" *";
            else
                cout<<"  ";
            x--;
        }
        y++;
        cout<<endl;
    }

    y=b;
    while (y>=1) {
        z=y;
        while (z<=b)
        {
            cout<<"  ";
            z++;
        }
        x=1;
        while (x<=y-1)
        {
            if (x==1)
                cout<<" *";
            else
                cout<<"  ";
            x++;
        }
        x=y;
        while (x>=1)
        {
            if (x==1 or x==b)
                cout<<" *";
            else
                cout<<"  ";
            x--;
        }
     y--;
        cout<<endl;
    }
}