using System;

public class Program

{

    public static void Main()

    {

        int day;

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

        if(day==1)

          {Console.WriteLine("Monday");}

        if(day==2)

          {Console.WriteLine("Tuesday");}

        if(day==3)

          {Console.WriteLine("Wednesday");}

        if(day==4)

          {Console.WriteLine("Thursday");}

        if(day==5)

          {Console.WriteLine("Friday");}

        if(day==6)

          {Console.WriteLine("Saturday");}

        if(day==7)

          {Console.WriteLine("Sunday");}

    }

}