/* 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
	{
		String a = "хуй";
		String b = a;

		System.out.println(a == b);
		System.out.println(a.equals(b));
		System.out.println(a);
		System.out.println(b);
		
		b = b + "";
		
		System.out.println(a == b);
		System.out.println(a.equals(b));
		System.out.println(a);
		System.out.println(b);
	}
}