import java.util.Scanner;
class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int L = sc.nextInt();
		int R = sc.nextInt();
		System.out.println(4);
		System.out.printf("%d %d %d %d\n",L,R,R,R);
		System.out.println(sc.nextInt());
	}
}