Swap two numbers without using temp variable or third variable- Java Program

import java.util.*;

class Swap_without_third_variable{

public static void main(String args[]){

System.out.println("Enter two numbers to swap");

Scanner sc= new Scanner(System.in);

int no1=sc.nextInt();

int no2=sc.nextInt();

System.out.println("The numbers before swapping are " +no1+" and "+no2);

no1=no1+no2;

no2=no1-no2;

no1=no1-no2;

System.out.println("The numbers after swapping are " +no1+" and "+no2);

}}