/* 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 = 10;
		int num2 = 5;
		
		System.out.println("num1 = "+num1+" num2 = "+num2);
		int temp = num1;
		num1 = num2;
		num2 = temp;
		
		System.out.println("num1 = "+num1+" num2 = "+num2);
	}
}