Static void main (string [] args)
{
 int DayNumber = Convert.ToInt(Console.Readline ());

switch (DayNumber)
{
case 1:
Console.WriteLine ("Monday");
break;
case 2:
Console.WriteLine ("Tuesday");
break;
case 3:
Console.WriteLine ("Wednesday");
break;
case 4:
Console.Write:Line ("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;
}
}