using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CommandProcess
{
    class Program
    {
        static List<int> nums;

        static void Main(string[] args)
        {
            nums = Console.ReadLine()
                .Split(' ')
                .Select(int.Parse)
                .ToList();

            string command = Console.ReadLine();

            while(command!="End")
            {
                ProcessCommand(command);
                command = Console.ReadLine();
            }
        }

        private static void ProcessCommand(string command)
        {
            string[] commandData = command.Split(' ').ToArray();

            switch(commandData[0])
            {
                case "Print":
                    PrintList();
                    break;
                case "Add":
                    AddToList();
                    break;
                case "Remove":
                    RemoveFromList();
                    break;
                case "Reverse":
                    //TODO: implement the method
                    ReverseList();
                    break;
                case "Average":
                    //TODO: call and implement the method
                    break;
                //TODO: Add case for SumOdd
                default:
                    Console.WriteLine("The command {0} is not supported",
                        commandData[0]);
                    break;
            }
        }

        //TODO: Add methods

        private static void ReverseList()
        {
            //TODO: Implement the method using .Reverse()

        }

        private static void RemoveFromList()
        {

        }

        private static void AddToList()
        {

        }

        private static void PrintList()
        {

        }
    }
}