06. Christmas Decoration

using System;

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            int budget = int.Parse(Console.ReadLine());
            string product = "";
            int productPrice = 0;
            while (true)
            {
                product = Console.ReadLine();
                if (product == "Stop")
                {
                    Console.WriteLine($"Money left: {budget}");
                    return;
                }
                for (int i = 0; i < product.Length; i++)
                {
                    char letter = product[i];
                    productPrice+= letter;

                }
                if (productPrice<=budget)
                {
                    Console.WriteLine("Item successfully purchased!");
                    budget = budget - productPrice;
                }
                else
                {
                    Console.WriteLine("Not enough money!");
                    return;
                }
                productPrice = 0;
            }
        }
    }
}