import java.util.Scanner;

public class dayOfTheWeek{

	public static final int DAYS_IN_APRIL_JUNE_SEPT_NOV = 30;
	public static final int DAYS_IN_FEB = 28;
	public static final int DAYS_IN_FEB_ON_LEAP_YEAR = 29;
	public static final int DAYS_IN_MONTHS_USUALLY = 31;
	public static final int TOTAL_MONTHS = 12;

	public static String main(String[] args) {

		System.out.println("Enter date (dd/mm/yyyy)");
		Scanner dateScanner = new Scanner(System.in);
		dateScanner.useDelimiter("/");
		int day = dateScanner.nextInt();
		int month = dateScanner.nextInt();
		int year = dateScanner.nextInt();
		System.out.println(getDayOfTheWeek (day, month, year) + "" + day + numberEnding(day) + " of " + monthName(month) + year);

	}


	public static String numberEnding ( int day){

		String endOfNumber = "";
		switch (day) {
		case 1:
			return ("st");
			break;
		case 2:
			return ("nd");
			break;
		case 3:
			return ("rd");
			break;
		default:
			return ("nth");
			break;


		}
	}

	public static String monthName ( int month){

		String aMonth = "";
		switch (month) {
		case 1:
			return ("January");
			break;
		case 2:
			return ("Febrary");
			break;
		case 3:
			return ("March");
			break;
		case 4:
			return ("April");
			break;
		case 5:
			return ("May");
			break;
		case 6:
			return ("June");
			break;
		case 7:
			return ("July");
			break;
		case 8:
			return ("August");
			break;
		case 9:
			return ("September");
			break;
		case 10:
			return ("October");
			break;
		case 11:
			return ("November");
			break;
		case 12:
			return ("December");
			break;
		}


	}
	public static String getDayOfTheWeek ( int day, int month, int year)
	{

		String weekday = "";

		if (month == 1 || month == 2) {
			int Y = year - 1;
		} else {
			int Y = year;
		}
		int y = year % 100;

		int c = year;
		while (c >= 100) {
			c /= 10;
		}

		double w = ((day + Math.floor(2.6 * (((month + 9) % 12) + 1) - 0.2) + y + Math.floor(y / 4) + Math.floor(c / 4) - (2 * c)) % 7);
		if (w < 0) {
			w += 7;
		}
		switch ((int) w) {
		case 0:
			return ("Sunday");
			break;
		case 1:
			return ("Monday");
			break;
		case 2:
			return ("Tuesday");
			break;
		case 3:
			return ("Wednesday");
			break;
		case 4:
			return ("Thursday");
			break;
		case 5:
			return ("Friday");
			break;
		case 6:
			return ("Satuday");
			break;
		}
	}
}