import java.util.*;
public class Main {
    public static void main (String[] args)
    {
        Scanner sc=new Scanner(System.in);
        int dayNumber=sc.nextInt();
        switch(day){
    case 1:
         System.out.println("Monday");
         break;
    case 2: 
         System.out.println("Tuseday");
         break;
    case 3:
         System.out.println("Wednesday");
         break;
    case 4:
         System.out.println("Thursday");
         break;
    case 5:
         System.out.println("Friday");
         break;
    case 6:
         System.out.println("Saturday");
         break;
    case 7:
         System.out.println("Sunday");
         break;
        default:
    System.out.print("lnvalid input");
    break;
    }}
}