import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int a = scanner.nextInt(); int b = scanner.nextInt(); //write your code here....... a=a^b;//异或 相同为0,不同为1,不进位相加 b=a^b; a=a^b; System.out.println(a+" "+b); } }