vending_machine.cs (C# Shell App Paste)

//Disclaimer: The creator of 'C# Shell (C# Offline Compiler)' is in no way responsible for the code posted by any user.
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

namespace CSharp_Shell
{

    public static class Program
    {
        public static void Main()
        {

          decimal totalMoney = 0m;
          while(true)
          {
              string input = Console.ReadLine().ToLower();
              if(input == "start")
              {
                  break;
              }
              else
              {
                  decimal money = decimal.Parse(input);
                  if(money ==0.1m || money ==0.2m||money==0.5m||money==1m||money==2m)
                  {
                        totalMoney+=money;
                  }
                  else
                  {
                      Console.WriteLine($"Cannot accept {money}");
                  }

              }

          }
          string product = Console.ReadLine().ToLower();

          while(true)
          {
              if(product=="end")
              {
                  break;
              }

              if(product=="nuts")
              {
                  if(totalMoney < 2)
                  {
                      Console.WriteLine("Sorry, not enough money");
                      continue;
                  }
                  Console.WriteLine($"Purchased {product}");
                  totalMoney-=2;
              }
              else if(product=="coke")
              {
                  if(totalMoney<1)
                  {
                      Console.WriteLine("Sorry, not enough money");
                      continue;
                  }
                  Console.WriteLine($"Purchased {product}");
                  totalMoney-=1;
              }
              else
              {
                  Console.WriteLine("Invalid product");
              }

          }
          Console.WriteLine($"Change: {totalMoney:f2}");
        }
    }
}