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

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        System.out.println("Hello world!");
        int Numero=0;
        System.out.println("Numero clave! " + Numero);

        Semana6 saprissa = new Semana6();
        saprissa.MostrarMensaje();

        
    }

    public void etc(){
        
    }

    
}