Опять не пускает

String a = reader.readLine();
            if(a==null||a.isEmpty()) break;
            int id = Integer.parseInt(a);

HashMap<Integer,String> map = new HashMap<>();
        while (true) {
            String a = reader.readLine();
            if(a.isEmpty()) break;
            int id = Integer.parseInt(a);

HashMap<Integer,String>

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        HashMap<String,Integer> map = new HashMap<>();
        while (true) {

         String name = reader.readLine();
         if(name.isEmpty()) break;
         int id = Integer.parseInt(reader.readLine());

            map.put(name,id);
        }

        for (Map.Entry<String,Integer> entry : map.entrySet())
        {
            System.out.println(entry.getKey()+" "+entry.getValue());

        }
    }

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        HashMap<String,Integer> map = new HashMap<>();
        while (true) {

         String name = reader.readLine();
         if(name.isEmpty()) break;
         String a =reader.readLine();
         if (a.isEmpty()) break;
         int id = Integer.parseInt(a);

            map.put(name,id);
        }

        for (Map.Entry<String,Integer> entry : map.entrySet())
        {
            System.out.println(entry.getValue()+" "+entry.getKey());

        }