String Manipulator

using System;

namespace problem03
{
    class Program
    {
        static void Main(string[] args)
        {
            string text = Console.ReadLine();
            string comand = Console.ReadLine();

            while (comand != "End")
            {
                string[] infoComand = comand.Split();
                if (infoComand[0] == "Translate")
                {
                    char symbol = char.Parse(infoComand[1]);
                    char replaceChar = char.Parse(infoComand[2]);
                    text = text.Replace(symbol, replaceChar);
                    Console.WriteLine(text);
                }
                else if (infoComand[0] == "Includes")
                {
                    string includeString = infoComand[1];
                    bool include = text.Contains(includeString);
                    Console.WriteLine(include);
                }
                else if (infoComand[0] == "Start")
                {
                    string startString = infoComand[1];
                    bool isStart = true;
                    for (int i = 0; i < startString.Length; i++)
                    {
                        if(startString[i]!=text[i])
                        {
                            isStart = false;
                        }
                    }
                    Console.WriteLine(isStart);
                }
                else if (infoComand[0] == "Lowercase")
                {
                    text = text.ToLower();
                    Console.WriteLine(text);
                }
                else if (infoComand[0] == "FindIndex")
                {
                    char lastIndedx = char.Parse(infoComand[1]);
                    int index = text.LastIndexOf(lastIndedx);
                    Console.WriteLine(index);
                }
                else if (infoComand[0] == "Remove")
                {
                    int startIndex = int.Parse(infoComand[1]);
                    int count = int.Parse(infoComand[2]);
                    text = text.Remove(startIndex, count);
                    Console.WriteLine(text);
                }
                comand = Console.ReadLine();
            }
        }
    }
}