using System;

public class Program

{

    public static void Main()

    {

        {

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

            switch(day)

            {

                case 1: Console.WriteLine("Monday");break;

                case 2: Console.WriteLine("Tuesday"); break;

                case 3: Console.WriteLine("Wednesday"); break;

                case 4: Console.WriteLine("Thursday"); break;

                case 5: Console.WriteLine("Friday"); break;

                case 6: Console.WriteLine("Saturday"); break;

                case 7: Console.WriteLine("Sunday"); break;

                default: Console.WriteLine("Error!"); break; 

            }

​

    }

}