import java.io.File;
import java.util.Scanner;

class Reverser {
	public static void main(String [] args) throws Exception {
		Scanner scanner = new Scanner(new File("Reverser.in"));

		int a, b;
		a = scanner.nextInt();
		b = scanner.nextInt();

		System.out.println(b);
		System.out.println(a);
	}
}