while (true) {
            String city = reader.readLine();
            if (city.isEmpty()) break;
            String family = reader.readLine();
            cities.put(city, family);
        }

        //Print the Map Key, Value Pairs
        System.out.println(cities);

        String city = reader.readLine();

        //Print Family name based on City

        System.out.println(cities.get(city));

    }