7. List Manipulation Advanced

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

namespace _6._List_Manipulation_Basics
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> num = Console.ReadLine()
                .Split(" ", StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse).ToList();

            int counter = 0;

            while (true)
            {
                string word = Console.ReadLine();
                if (word == "end")
                {
                    break;
                }

                string[] command = word.Split();

                if (command[0] == "Add")
                {
                    int toAdd = int.Parse(command[1]);
                    num.Add(toAdd);

                    counter += 1;
                }

                else if (command[0] == "Remove")
                {
                    int toRemove = int.Parse(command[1]);
                    num.Remove(toRemove);
                    counter += 1;

                }

                else if (command[0] == "RemoveAt")
                {
                    int removeAt = int.Parse(command[1]);
                    num.RemoveAt(removeAt);
                    counter += 1;

                }

                else if (command[0] == "Insert")
                {
                    int insertNumber = int.Parse(command[1]);
                    int indexLoction = int.Parse(command[2]);
                    num.Insert(indexLoction, insertNumber);
                    counter += 1;

                }





                if (command[0] == "Contains")
                {
                    int contain = int.Parse(command[1]);
                    bool isContain = false;
                    foreach (var digit in num)
                    {

                        if (digit == contain)
                        {
                            Console.WriteLine("Yes");
                            isContain = true;
                            break;
                        }
                    }
                    if (isContain == false)
                    {
                        Console.WriteLine("No such number");
                    }
                }

                else if (command[0] == "PrintEven")
                {
                    List<int> newNum = new List<int>();
                    foreach (var digit in num)
                    {
                        if (digit % 2 == 0)
                        {
                            newNum.Add(digit);
                        }
                    }
                    Console.WriteLine(string.Join(" ", newNum));
                }

                else if (command[0] == "PrintOdd")
                {
                    List<int> newNum = new List<int>();
                    foreach (var digit in num)
                    {
                        if (digit % 2 != 0)
                        {
                            newNum.Add(digit);
                        }
                    }
                    Console.WriteLine(string.Join(" ", newNum));
                }

                else if (command[0] == "GetSum")
                {
                    int sum = 0;

                    foreach (var digit in num)
                    {
                        sum += digit;
                    }
                    Console.WriteLine(sum);
                }

                else if (command[0] == "Filter")
                {
                    List<int> newNum = new List<int>();

                    if (command[1] == ">")
                    {
                        int index = int.Parse(command[2]);
                        foreach (var digit in num)
                        {
                            if (digit > index)
                            {
                                newNum.Add(digit);
                            }
                        }
                    }

                    else if (command[1] == ">=")
                    {
                        int index = int.Parse(command[2]);
                        foreach (var digit in num)
                        {
                            if (digit >= index)
                            {
                                newNum.Add(digit);
                            }
                        }
                    }
                    else if (command[1] == "<")
                    {
                        int index = int.Parse(command[2]);
                        foreach (var digit in num)
                        {
                            if (digit < index)
                            {
                                newNum.Add(digit);
                            }
                        }
                    }
                    Console.WriteLine(string.Join(" ", newNum));

                }

            }
            if (counter > 0)
            {
                Console.WriteLine(string.Join(" ", num));

            }
        }
    }
}