import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No00000543_Main {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	public static void main(String[] args) throws IOException {
		String[] s = br.readLine().split(" ");
		System.out.println(s[1] +" "+s[0]);
	}
}