CountRealNumbers-withSortedDictionary

using System;
using System.Collections.Generic;
using System.Linq;

namespace CountRealNumbers
{
    class MainClass
    {
        public static void Main()
        {
            List<int> listOfNumbers = Console.ReadLine().Split().Select(int.Parse).ToList();
            SortedDictionary<int, int> sortedDict = new SortedDictionary<int, int>();
            for (int i = 0; i <= listOfNumbers.Count - 1; i++)
            {
                if (sortedDict.ContainsKey(listOfNumbers[i]) == false)
                {
                    sortedDict[listOfNumbers[i]] = 1;
                }

                else
                {
                    sortedDict[listOfNumbers[i]]++;
                }
            }

            foreach (var item in sortedDict)
            {
                Console.WriteLine($"{item.Key} -> {item.Value}");
            }

        }

      }

    }