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();

    //write your code here.......
    
    int c = a;
    a = b;
    b = c;
    System.out.println(a+" "+b);
}

}