import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int x=sc.nextInt();
        switch(x)
        {
            case 1:System.out.println("Monday");
                break;
            case 2:System.out.println("Tuesday");
                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;
        }
         
    }
}