AuthorSolution

namespace tester1
{
    using System;

    public class StartUp
    {
        public static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());

            int rejectionCount = 1;
            string lastProduct = string.Empty;
            double productPrice = 0;
            bool areGood = true;

            while (true)
            {
                string product = Console.ReadLine();
                if (product == "Going home.")
                {
                    break;
                }
                productPrice = double.Parse(Console.ReadLine());
                if (productPrice > budget)
                {
                    if (product == lastProduct)
                    {
                        rejectionCount++;
                    }
                    else
                    {
                        rejectionCount = 1;
                    }
                    Console.WriteLine($"You can't have {product} today!");
                }
                else
                {
                    budget -= productPrice;
                }
                if (rejectionCount == 3)
                {
                    Console.WriteLine("End of the walk!");
                    areGood = false;
                    break;
                }
                lastProduct = product;
            }
            if (areGood)
            {
                Console.WriteLine("Good kids! We should go out more often!");
                Console.WriteLine($"Money left: {budget:F2}lv.");
            }
            else
            {
                Console.WriteLine("Not so good kids! We are never going out again!");
                Console.WriteLine($"You have {budget:F2}lv and {lastProduct} costs {productPrice:F2}lv.");
            }
        }
    }
}