using System;

public class Program

{

    public static void Main()

    {

        DateTime dt = new DateTime();

        //1

        string[] weekDays = {"Sunday", "Monday", "Tuesday", "Wendensday", "Thursday", "Friday", "Saturday"};

        //2

        for (int i = 0; i < weekDays.Length; i++) 

        {

            if (weekDays[i] == dt.DayOfWeek.ToString()) {

                Console.WriteLine("For Loop: today is {0}.", weekDays[i]);

            }

        }

        //3

        foreach (string day in weekDays) 

        {

            if (day == dt.DayOfWeek.ToString()) {

                Console.WriteLine("ForEach Loop: today is {0}.", day);

            }

        }

    }

}