Koding Deret Fibonacci C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication46

{

    class Program

    {

        static void Main(string[] args)

        {

            int x = 1, y = 1, z = 1;

            Console.Write("jumlah bilangan Fibonacci yang ingin ditampilkan =");

            int jumlah = Convert.ToInt32(Console.ReadLine());

            for (int i = 0; i < jumlah; i++)

            {

                Console.Write(z + " ");

                z = x + y;

                x = y;

                y = z;

                Console.ReadLine();

            }

        }

    }

}