Check Quantity of sum

 using System;

using System.IO;

using System.Linq;

using System.Collections.Generic;

namespace CheckQuantityOfNum

{

  public class Program

  {

 public static void Main()

 {

   Console.WriteLine("Enter a number");

   string number = Console.ReadLine();

   Count(number);

 }

 public static void Count(string number)

 {

   int one = 0, two = 0, three = 0, four = 0, five = 0, six = 0, seven = 0, eight = 0, nine = 0, zero = 0;

   for (int i = 0; i < number.Length; i++)

   {

  switch (number[i])

  {

    case '1':

   one++;

   break;

    case '2':

   two++;

   break;

    case '3':

   three++;

   break;

    case '4':

   four++;

   break;

    case '5':

   five++;

   break;

    case '6':

   six++;

   break;

    case '7':

   seven++;

   break;

    case '8':

   eight++;

   break;

    case '9':

   nine++;

   break;

    case '0':

   zero++;

   break;

  }

   }

   Console.WriteLine("0 = {9}\n1 = {0}\n2 = {1} \n3 = {2}\n4 = {3}\n5 = {4}\n6 = {5}\n7 = {6}\n8 = {7}\n9 = {8}", one, two, three, four, five, six, seven, eight, nine, zero);

 }

  }

}