using System;

namespace _01._Warrior_s_Quest___13.Dec._2019
{
    class Program
    {
        static void Main(string[] args)
        {
            var skill = Console.ReadLine();
            var command = Console.ReadLine();

            while (command != "For Azeroth")
            {
                var actions = command.Split();

                switch (actions[0])
                {
                    case "GladiatorStance":
                        skill = skill.ToUpper();
                        Console.WriteLine(skill);
                        break;

                    case "DefensiveStance":
                        skill = skill.ToLower();
                        Console.WriteLine(skill);
                        break;
                    case "Dispel":
                        var index = int.Parse(actions[1]);
                        var letter = actions[2];
                        if (index > -1 && index < skill.Length)
                        {
                            skill = skill.Remove(index, 1);
                            skill = skill.Insert(index, letter);
                            Console.WriteLine("Success!");
                            break;
                        }
                        Console.WriteLine("Dispel too weak."); break;

                    case "Target":
                        if (actions[1] == "Change")
                        {
                            var stringToRemove = actions[2];
                            var secondString = actions[3];
                            skill = skill.Replace(stringToRemove, secondString);
                            Console.WriteLine(skill);
                        }

                        else if (actions[1] == "Remove")
                        {
                            var stringForRemove = actions[2];
                            var indexForRemove = skill.IndexOf(stringForRemove);
                            if (!skill.Contains(stringForRemove))
                            {
                                Console.WriteLine("Command doesn't exist!");break;
                            }
                            skill = skill.Remove(indexForRemove, stringForRemove.Length);
                            Console.WriteLine(skill);
                        }
                        break;
                    default: Console.WriteLine("Command doesn't exist!"); break;

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