using System;

public class Program

{

    public static void Main()

    {

        int number=int.Parse(Console.ReadLine());

        switch (number)

        {

            case 1:

                Console.WriteLine("понеделник");

                break;

                case 2:

                Console.WriteLine("вторник");

                break;

                case 3:

                Console.WriteLine("сряда");

                break;

                case 4:

                Console.WriteLine("четвъртък");

                break;

                case 5:

                Console.WriteLine("петък");

                break;

                case 6:

                Console.WriteLine("събота");

                break;

                case 7:

                Console.WriteLine("неделя");

                break;

                default:

                Console.WriteLine("грешка");

                break;

        }}}     

​

​

​