import java.util.Scanner;
public class Necklace {

	/**
	 * @author christopher quijano
	 * date:	3 21 12
	 * @param args
	 */
	public static void main(String[] args) {
		//variables
		Scanner input = new Scanner(System.in);
		int first,second;
		int t1,t2;
		boolean done;

		//prompt user for input
		System.out.print("Enter first starting number : ");
		first = input.nextInt();
		System.out.print("Enter second starting number : ");
		second = input.nextInt();

		//formulae for finding sum of numbers and displaying the numbers
		t1 = (first + second)%10;
		t2 = (second + t1)%10;
		System.out.print( first + " " + second + " " + t1 + " " + t2);
		done = (first == t1) && (second == t2);

		//output
		while (!done)
		{
		t1 = (t1 + t2)%10;
		t2 = (t2 + t1)%10;
		System.out.print(" " + t1 + " " + t2);
		done = (first == t1) && (second == t2);
		}



	}

}