import java.util.Scanner;
     
    class SwapNumbers
    {
       public static void main(String args[])
       {
          int x, y, temp;
          System.out.println("Enter x and y");
          Scanner in = new Scanner(System.in);
     
          x = in.nextInt();
          y = in.nextInt();
     
          System.out.println("Before Swapping\nx = "+x+"\ny = "+y);
     
          temp = x;
          x = y;
          y = temp;
     
          System.out.println("After Swapping\nx = "+x+"\ny = "+y);
       }
    }