using System;
using System.Linq;

namespace World_Tour
{
    internal static class Program
    {
        private static void Main()
        {
            var route = Console.ReadLine();

            string command;
            while ((command = Console.ReadLine()) != "Travel")
            {
                var tokens = command.Split(":").ToArray();

                route = tokens[0] switch
                {
                    "Add Stop" => AddStop(route, int.Parse(tokens[1]), tokens[2]),
                    "Remove Stop" => RemoveStop(route, int.Parse(tokens[1]), int.Parse(tokens[2])),
                    "Switch" => ReplaceStops(route, tokens[1], tokens[2]),
                    _ => route
                };

                Console.WriteLine(route);
            }

            Console.WriteLine($"Ready for world tour! Planned stops: {route}");
        }

        private static string RemoveStop(string route, int startIndex, int endIndex)
        {
            if (IsIndexValid(route.Length, startIndex) && IsIndexValid(route.Length, endIndex))
            {
                route = route.Remove(startIndex, endIndex - startIndex + 1);
            }

            return route;
        }

        private static string AddStop(string route, int startIndex, string newStop)
        {
            if (IsIndexValid(route.Length, startIndex))
            {
                route = route.Insert(startIndex, newStop);
            }

            return route;
        }

        private static string ReplaceStops(string route, string oldStop, string newStop)
        {
            return route.Replace(oldStop, newStop);
        }

        private static bool IsIndexValid(int length, int index)
        {
            return index >= 0 && index < length;
        }
    }
}