03.Retake

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03_try_2
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] str = Console.ReadLine().Split('@').ToArray();
            int lengthOfField = 0;
            int index = 0;
            int happyHouses = 0;
            List<int> membersOfFamily = new List<int>();
            bool HasFailed = false;
            for (int i = 0; i < str.Length; i++)
            {
                membersOfFamily.Add(int.Parse(str[i]));
            }
            lengthOfField = membersOfFamily.Count();


            while (true)
            {
                string inp = Console.ReadLine();
                if (inp == "Merry Xmas!")
                {
                    break;
                }
                string[] cmd = inp.Split(' ').ToArray();
                int jumpLem = int.Parse(cmd[1]);
                index +=  jumpLem;

                while (index > lengthOfField - 1)
                {
                    index = index - lengthOfField;
                }
                if (membersOfFamily[index] == 0)
                {
                    Console.WriteLine($"House {index} will have a Merry Christmas.");
                    happyHouses++;
                }
                else
                {
                    membersOfFamily[index] -= 2;
                }
            }



            int failedHouses = 0;
            foreach (var n in membersOfFamily)
            {
                if (n != 0)
                {
                    HasFailed = true;
                    failedHouses++;
                }
            }
            if (!HasFailed)
            {
                Console.WriteLine($"Santa's last position was {index}.");
                Console.WriteLine("Mission was successful.");
            }
            else
            {
                Console.WriteLine($"Santa's last position was {index}.");
                Console.WriteLine($"Santa has failed {failedHouses} houses.");
            }

        }
    }
}