using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine ("Hitungan Tabel Deret BERGOYANGGG 1, - 2, 4 ,-8") ;

    int a ;

    string b = "y" ;

        while (b== "y" ){

        Double c = -0.5 ;

        double hasil = 1 ; 

        Console.Write("total =" ) ;

            a =Convert.ToInt32(Console.ReadLine());

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

        c = c*-2 ;

        hasil =+ c ;

                Console.Write(c+ " ," ) ; }

        Console.WriteLine();

            Console.WriteLine("Hasil = "+ hasil);

        Console.WriteLine("Hitung Lagi [Y/T} ?");

        b = Console.ReadLine();

            if ( b=="y"){continue;}else if(b=="t"){Console.WriteLine("Terima Kasih Telah Menggunakan Program Kami");break;}

    }

    }

}