using System;
					
public class Program
{
	public static void Main()
	{
		int Day;
		Day = Convert.ToInt32(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;
      }
		
	}
}