Random rand = new Random();
        while(flag == false){
            random_number = rand.nextInt(8)+5;
            if(nombre_1 == 0){
                nombre_1 = random_number;
                all_var_full++;

            }
            random_number = rand.nextInt(8)+5;
            if(nombre_2 == 0){
                if(random_number != nombre_1){
                    nombre_2 = random_number;
                    all_var_full++;
                }
            }
            random_number = rand.nextInt(8)+5;
            if(nombre_3 == 0){
                if(random_number != nombre_1){
                    if(random_number != nombre_2){
                        nombre_3 = random_number;
                        all_var_full++;
                    }
                }
            }
            if(all_var_full == 3){
                flag = true;
            }
        }