using System;
using System.IO;
using System.Text;

namespace Fixing_Subtitles
{
    class Program
    {
        const double COEFFICIENT = 1.05;
        const int ADDITION = 5000;
        const string INPUT_FILE = @"../../../source.txt";
        const string OUTPUT_FILE = @"../../../fixed.txt";

        static void Main(string[] args)
        {
            try
            {
                Encoding encoding = Encoding.GetEncoding("windows-1251");

                StreamReader reader = new StreamReader(INPUT_FILE, encoding);
                StreamWriter writer = new StreamWriter(OUTPUT_FILE, false, encoding);

                using (reader)
                {
                    using (writer)
                    {
                        string line;

                        while ((line = reader.ReadLine()) != null)
                        {
                            writer.WriteLine(FixLine(line));
                        }
                    }
                }
            }
            catch (IOException ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }

            Console.ReadKey();
        }

        static string FixLine(string line)
        {
            int bracketFromIndex = line.IndexOf("}");
            string startTime = line.Substring(1, bracketFromIndex - 1);
            int newStartTime = (int)(Convert.ToInt32(startTime) * COEFFICIENT + ADDITION);

            int bracketToIndex = line.IndexOf("}", bracketFromIndex + 1);
            string endTime = line.Substring(bracketFromIndex + 2, bracketToIndex - bracketFromIndex - 2);
            int newEndTime = (int)(Convert.ToInt32(endTime) * COEFFICIENT + ADDITION);

            string fixedLine = "{" + newStartTime + "}" + "{" + newEndTime + "}" + line.Substring(bracketToIndex + 1);
            return fixedLine;
        }
    }
}