题解 | #交换变量值#

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(); int t; t=a; a=b; b=t;

    //write your code here.......
    

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

}