05.BitBuilder

using System;


class BitBuilder
{
    static void Main(string[] args)
    {
        long number = long.Parse(Console.ReadLine());
        string command = Console.ReadLine();

        while (command != "quit")
        {
            int position = int.Parse(command);
            command = Console.ReadLine();

            long mask = 0;                                    //  Правим Маска и за дазапазим битовете
                                                              //
            for (int i = 0; i < position; i++)                //
            {                                                  //
                mask <<= 1;                                    //
                mask |= 1;                                    //
            }

            long rightBits = number & mask;                     //

            switch (command)
            {
                case "flip":
                    number ^= 1 << position;
                break;

                case "remove":
                    number >>= position + 1;
                    number <<= position;
                    number |= rightBits;
                break;

                case "insert":
                number >>= position;
                number <<= position + 1;
                number |= (long)1 << position;
                number |= rightBits;
                break;

            }
            command = Console.ReadLine();
        }
        Console.WriteLine(number);
    }
}