import java.util.*;

public class TestButcher {

	public static void main(String[] args) {
		Scanner kbd = new Scanner(System.in);
		Butcher butch = new Butcher();
		while(true) {
			System.out.print("enter a year -> ");
			int year = kbd.nextInt();
			if (year < 1) break;
			butch.calcEaster(year);
			System.out.println("Easter = " + butch.getMonth() + "/" + butch.getDay() + "/" + year);
		}
		System.out.println("bye");
	}
}