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

namespace bitbuilder
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());
            string positionS = Console.ReadLine();
            string command = Console.ReadLine();
            while(command!="quit")
            {
                int result = 0;
                int position = int.Parse(positionS);
                if(command=="flip")
                {
                    number = number ^ (1 << position);
                }
                if(command=="insert")
                {
                    for (int i = 0; i <= 31; i++)
                    {
                        if (i == position)
                        {
                            result = result | (1 << position);
                            i++;
                        }
                        int bit = (number >> i) & 1;
                        result = result | bit << i;
                    }
                    number = result;
                }
                if(command =="remove")
                {
                    for (int i = 0; i < 32; i++)
                    {
                        if (i == position)
                        {
                            continue;
                        }
                        result = result >> 1;
                        int bit = (number >> i) & 1;
                        result = result | bit << 30;
                    }
                    number = result;
                }
                positionS = Console.ReadLine();
                if (positionS == "quit")
                {
                    break;
                }
                command = Console.ReadLine();

            }
            Console.WriteLine(number);
        }
    }
}