/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		int num1 = 5;
		int num2 = 10;
		
		System.out.println("num1="+num1+" num2="+num2);
		//swapping the numbers
		num1=num1^num2;
		num2=num1^num2;
		num1=num1^num2;
		
		System.out.println("num1="+num1+" num2="+num2);
	}
	
	
}