World Tour [C#]

using System;

namespace WorldTour
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            string command = Console.ReadLine();

            while (command != "Travel")
            {
                string[] cmd = command.Split(new string[] { ":" }, StringSplitOptions.RemoveEmptyEntries);

                if (cmd[0] == "Add Stop")
                {
                    if (int.Parse(cmd[1]) < input.Length)
                    {
                        int index = int.Parse(cmd[1]);
                        string str = cmd[2];
                        input = input.Insert(index, str);
                    }

                    Console.WriteLine(input);
                }
                else if (cmd[0] == "Remove Stop")
                {
                    if (int.Parse(cmd[1]) < input.Length && int.Parse(cmd[2]) < input.Length)
                    {
                        input = input.Remove(int.Parse(cmd[1]), int.Parse(cmd[2]) - int.Parse(cmd[1]) + 1);
                    }

                    Console.WriteLine(input);
                }
                else if (cmd[0] == "Switch")
                {
                    if (input.Contains(cmd[1]))
                    {
                        input = input.Replace(cmd[1], cmd[2]);
                    }

                    Console.WriteLine(input);
                }

                command = Console.ReadLine();
            }

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