using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        public void button1_Click(object sender, EventArgs e)

        {

            int i = 0;

            DateTime ci = dateTimePicker1.Value;         

            while (ci.DayOfWeek.ToString() != "Saturday")

            {

                ci = ci.AddDays(1);               

               ++i;

            }

            this.Text = i.ToString();

        }

    }

}