using System;

public class Program

{

    public static void Main()

    {

        string[] dictionary = {"I was born in the", "70s", "80s", "90"};

        string[] specialChars = {"."};

        string[] addList = new string[3];

        addList[0] = dictionary[0];

        addList[1] = dictionary[2];

        addList[2] = specialChars[0];

        foreach(var item in addList)

        {

            Console.WriteLine(item.ToString());

        }

        Console.WriteLine("-------\n");

        string answer = addList[0];

        bool isFirst = true;

        int iIndex = 0;

        foreach(var item in addList)

        {

            //Console.WriteLine(iIndex.ToString() + ": " + answer + "/n");

            //Console.WriteLine("The Item = " + item + "/n");

            if (!isFirst)

            {

                if (item != specialChars[0]) // obviously have to check them all here

                {

                    answer = answer + " " + item;

                }

                else

                {

                    answer = answer + item;

                }

            }

            isFirst = false;

            iIndex++;

        }

        //if (addList[iIndex] != ENTER)

        //{

        answer = answer + " ";

        //}

        Console.WriteLine(answer);

    }

}