using System;
using System.Linq;
using System.Collections.Generic;

namespace Lists06_Present_delivery
{
    class Program
    {
        static void Main()
        {
            List<int> houses = Console.ReadLine()
                .Split("@")
                .Select(int.Parse)
                .ToList();
            int indexStartHouse = 0;
            string command = Console.ReadLine();
            int lastPosition = 0;
            while (command != "Merry Xmas!")
            {
                string[] tokens = command.Split().ToArray();
                int jump = int.Parse(tokens[1]);


                int indexCurrentHouse = indexStartHouse + jump;
                indexStartHouse = indexCurrentHouse;

                if (indexCurrentHouse > houses.Count - 1)
                {
                    indexCurrentHouse = indexCurrentHouse % houses.Count;
                    indexStartHouse = indexCurrentHouse;
                }

                if (houses[indexCurrentHouse] == 0)
                {
                    Console.WriteLine($"House {indexCurrentHouse} will have a Merry Christmas.");
                }
                else if (houses[indexCurrentHouse] > 0)
                {
                    houses[indexCurrentHouse] -= 2;
                }

                lastPosition = indexCurrentHouse;
                command = Console.ReadLine();
            }

            Console.WriteLine($"Santa's last position was {lastPosition}.");

            if (houses.Sum() == 0)
            {
                Console.WriteLine($"Mission was successful.");
            }
            else
            {
                houses.RemoveAll(x => x == 0);
                Console.WriteLine($"Santa has failed {houses.Count} houses.");
            }
        }
    }
}