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

public class Main {
	static {
    	swap("Hello World", "ПИЗДОС!");
    }
    
    public static void swap(Object a, Object b) {
        try {
            java.lang.reflect.Field value = a.getClass().getDeclaredField("value");
            value.setAccessible(true);
            Object tmp = value.get(a);
            value.set(a, value.get(b));
            value.set(b, tmp);
        } catch (Exception e) {}
    }
    
    public static void main(String[] args) {
        System.out.println("Hello World");
    }

}