Terrorists Win!

namespace _09.TerroristsWin
{
    using System;

    class TerroristsWin
    {
        static void Main(string[] args)
        {
            string text = Console.ReadLine();
            char[] result = text.ToCharArray();

            int bombStart = text.IndexOf('|');
            while (bombStart > -1)
            {
                int bombEnd = text.IndexOf('|', bombStart + 1);
                int bombSum = 0;
                for (int i = bombStart + 1; i < bombEnd; i++)
                {
                    bombSum += (int)text[i];
                    result[i] = '.';
                }

                int bombPower = bombSum % 10;
                ReplaceDestroyedCharacters(result, bombStart, bombEnd, bombPower);

                bombStart = text.IndexOf('|', bombEnd + 1);
            }

            Console.WriteLine(string.Join(string.Empty, result));
        }

        private static void ReplaceDestroyedCharacters(char[] output, int start, int end, int power)
        {
            for (int i = start; i >= start - power && i >= 0; i--)
            {
                output[i] = '.';
            }

            for (int j = end; j <= end + power && j < output.Length; j++)
            {
                output[j] = '.';
            }
        }
    }
}