09.DayofWeek

import java.util.Scanner;

public class DayofWeek {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int daynumber = Integer.parseInt(scanner.nextLine());

        switch (daynumber) {
            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;
            case -1:
                System.out.println("Error");
                break;
        }
    }


}