using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        List<solutioncategory> testlist=new List <solutioncategory>();

        for (int i=1;i<=3;i++)

        {

            solutioncategory t=new solutioncategory();//main

            t.Solutioncategory="solution " + i.ToString();

            t.solutionservices=new List<Solutionservices>();

             for (int k=1;k<=3;k++)

             {

                 Solutionservices ss =new Solutionservices();

                 ss.Solutioncategory=t.Solutioncategory;

                 ss.services=new List <Serviceslist>();

                 for (int s=1;s<=3;s++)

                 {

                     Serviceslist SL=new Serviceslist();

                     SL.Value="sub category " + s.ToString();

                     SL.ViewValue="sub Display "; 

                     ss.services.Add(SL);

                 }

                 t.solutionservices.Add(ss);

             }

             testlist.Add(t);

        }

        Console.WriteLine(JsonConvert.SerializeObject(testlist));

    }

    public class solutioncategory

    {

        public string  Solutioncategory {get; set;}

        public List<Solutionservices> solutionservices {get ;set;}

    }

    public class Solutionservices

    {

        public string  Solutioncategory {get; set;}

        public List<Serviceslist> services {get;set;}

    }

    public class Serviceslist

    {

        public string  Value {get; set;}

        public string  ViewValue{get;set;}

    }

}