FinalExam-03.08.19-01.StringManipulator

using System;
using System.Collections.Generic;
using System.Linq;

namespace _01.StringManipulator
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            List<string> command = Console.ReadLine().Split().ToList();

            string word = command[0];
            while (word != "end")
            {
                if (word == "Translate")
                {
                    string symbol = command[1];
                    string replacement = command[2];

                    input = input.Replace(symbol, replacement);    //важно е да присвоим стойността
                    Console.WriteLine(input);
                }
                else if (word == "Includes")
                {
                    string word1 = command[1];
                    bool result = input.Contains(word1);
                    Console.WriteLine(result);
                }
                else if (word == "Start")
                {
                    string word1 = command[1];
                    bool result = input.StartsWith(word1);
                    Console.WriteLine(result);
                }
                else if (word == "Lowercase")
                {
                    input = input.ToLower();
                    Console.WriteLine(input);
                }
                else if (word == "FindIndex")
                {
                    string symbol = command[1];
                    int lastindex = input.LastIndexOf(symbol);
                    Console.WriteLine(lastindex);
                }
                else if (word == "Remove")
                {
                    int start = int.Parse(command[1]);
                    int count = int.Parse(command[2]);
                    input = input.Remove(start, count);
                    Console.WriteLine(input);
                }
                command = Console.ReadLine().Split().ToList();
                word = command[0];
            }
        }
    }
}