Help in the challange of letting the user input the tower coordinates

using System;

namespace TreehouseDefense
{
    class Game
    {
        public static void Main()
        {
            Map map = new Map(8, 5);
            try
            {


//we declare an array of MapLocations(map locations points) that will represent our path going down the middle of the map.

//we pass to the Path constrcutor an array of type MapLocation(in order to create a path object we need to pass it) that contains mapLocation points and we test we get the proper location at the specifed index.
                Path path = new Path(
                    new[] {
                        new MapLocation(0,2,map),
                        new MapLocation(1,2,map),
                        new MapLocation(2,2,map),
                        new MapLocation(3,2,map),
                        new MapLocation(4,2,map),
                        new MapLocation(5,2,map),
                        new MapLocation(6,2,map),
                        new MapLocation(7,2,map)
                    }
                );


                //we create an array of invaders and passing in 4 Invader Object which needs a path so we pass in the path as well(the path is a MapLocation object)
                Invader[] invaders = 
                {
                    new Invader(path),
                    new Invader(path),
                    new Invader(path),
                    new Invader(path),
                    new Invader(path),

                };


                Level level1 = new Level(invaders);

                Console.WriteLine("Welcome to the tower defense game :], Where would u like to place your towers?");
                Console.WriteLine("Enter the X,Y coordinatyes (0-7) (0-4): ");
                var entryXY = Console.ReadLine();
                var coords = entryXY.Split(',');
                int towerOneX = int.Parse(coords[0]);
                int towerOneY = int.Parse(coords[1]);

                MapLocation towerLocation = new MapLocation(towerOneX, towerOneY, map);

                Tower tower = new Tower(towerLocation);


                //we set the tower property on the level.
                level1.Towers = tower


                bool playerWon =  level1.Play();
                if(playerWon)
                {
                    Console.WriteLine("You Won the game :]");
                }
                else
                {
                    Console.WriteLine("You lost :[");
                }

            // Important RULE : more specific exception types need to be placed before the more general exception types >> thats why we catch the specific outOfBounfsException first and then the more general ones.
            }
            catch(outOfBoundsException ex)
            {
                Console.WriteLine(ex.Message);

            }

            catch(treehouseDefenseException)
            {
                Console.WriteLine("Unhandled treehouseDefenseException");

            }


            catch(Exception ex)
            {
                Console.WriteLine("Unhandled System.Exception: " + ex);


            }


        }
    }
}

Console.WriteLine("Welcome to the tower defense game :], Where would u like to place your towers?");
                Console.WriteLine("Enter the X,Y coordinatyes (0-7) (0-4): ");

                var entryXY = Console.ReadLine();//we input the coordinates
                                // i kinda didnt understand this line but i as far as i knowwe created an array called coords >> what this line doex? especially the Split() method 
                var coords = entryXY.Split(',');
                                //we parse the element that we got from the user from index 0 in the coords array and assign a variable to it.
                int towerOneX = int.Parse(coords[0]);
                                 //same here
                int towerOneY = int.Parse(coords[1]);

                                 //then i created a map location object(which take x,y and a map)
                MapLocation towerLocation = new MapLocation(towerOneX, towerOneY, map);

                                //and assigned   it to create a new tower.
                Tower tower = new Tower(towerLocation);