diff --git a/319-POO/Program.cs b/319-POO/Program.cs
index a68150b..10a48e2 100644
--- a/319-POO/Program.cs
+++ b/319-POO/Program.cs
@@ -1,15 +1,165 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Runtime.Remoting.Messaging;
+using System.Security.Permissions;
+using static _319_POO.Game;
 
 namespace _319_POO
 {
-    internal class Program
+    public enum Token
     {
+        None,
+        FirstPlayer,
+        SecondPlayer
+    }
+
+    public class Program
+    {
+        public void SetColor(ConsoleColor backgroundColor = ConsoleColor.Black, ConsoleColor forgroundColor = ConsoleColor.White)
+        {
+            Console.ForegroundColor = forgroundColor;
+            Console.BackgroundColor = backgroundColor;
+        }
         static void Main(string[] args)
         {
+            int[] boardSize = new Board().BoardSize(); 
+            Token[,] board = new Token[boardSize[0],boardSize[1]];
+            new Game().Start(board);
         }
     }
-}
+
+    public class Game
+    {
+        private Draw d = new Draw();
+        public void Start(Token[,] board)
+        {
+            int pos = 0;
+            Token currentPlayer = Token.FirstPlayer;
+
+
+
+            while (true)
+            {
+                d.DrawBoard(board);
+                d.DrawPlayGround(board,currentPlayer,pos);
+
+                ConsoleKey key = Console.ReadKey().Key;
+                switch (key)
+                {
+                    case ConsoleKey.RightArrow:
+                        pos++;
+                    break;
+
+                    case ConsoleKey.LeftArrow:
+                        pos--;
+                    break;
+
+                    case ConsoleKey.Enter:
+                        if (PlaceToken(board, currentPlayer) && currentPlayer == Token.FirstPlayer)
+                            currentPlayer = Token.SecondPlayer;
+                        else if (PlaceToken(board, currentPlayer) && currentPlayer == Token.SecondPlayer)
+                            currentPlayer = Token.FirstPlayer;
+                            
+                    break;
+                }
+            }
+        }
+
+        private bool PlaceToken(Token[,] board, Token currentPlayer)
+        {
+            for (int i = board.GetLength(1) - 1; i >= 0; i--)
+            {
+                if (board[board.GetLength(1), i] == Token.None)
+                    board[board.GetLength(1), i] = currentPlayer;
+                return true;
+            }
+            return false;
+        }
+    }
+    public class Board
+    {
+        private Program p = new Program();
+        public int[] BoardSize()
+        {
+            int[] boardSize = { 0, 0 }; // initialisation de la taille
+            string[] input = { "", "" }; // initialisation de l'entrée utilisateur
+            // écriture des instructions en couleur grâce à la méthode WriteColor
+            Console.Write("La taille doit être comprise entre ");
+            p.SetColor(default, ConsoleColor.Red);
+            Console.Write("5x6", ConsoleColor.Red);
+            p.SetColor();
+            Console.Write(" et ");
+            p.SetColor(default, ConsoleColor.Red);
+            Console.Write("13x16\n", ConsoleColor.Red);
+            p.SetColor();
+            Console.WriteLine("exemple: 6x7 (6 lignes et 7 colonnes)");
+            Console.Write("taille: ");
+
+            // récupération de l'entrée utilisateur dans une liste grâce à un split
+            input = Console.ReadLine().Split('x');
+
+            // on essaye de Parse en int les entrées, sinon on fait une récursion
+            try
+            {
+                boardSize[0] = int.Parse(input[1]);
+                boardSize[1] = int.Parse(input[0]);
+            }
+            catch
+            {
+                Console.WriteLine("La taille est invalide. réessayer");
+                return BoardSize();
+            }
+
+            // on check si les entrées sont incorrectes si oui on fait une récursion
+            if (boardSize[1] <= 5 || boardSize[1] >= 13 || boardSize[0] <= 6 || boardSize[0] >= 16)
+            {
+                Console.WriteLine("La taille est invalide. réessayer");
+                return BoardSize();
+            }
+
+            // et si tous les checks sont passés, on retourne la taille
+            Console.WriteLine("taille valide");
+            return boardSize;
+        }
+    }
+
+    public class Draw
+    {
+        public void DrawPlayGround(Token[,] board, Token currentPlayer, int pos)
+        {
+            for (int x = 0; x < board.GetLength(0); x++)
+            {
+                Console.SetCursorPosition(x, 0);
+
+                if (pos == x) Console.Write(DrawToken(currentPlayer));
+                else Console.Write(DrawToken(Token.None));
+            }
+        }
+
+        public void DrawBoard(Token[,] board)
+        {
+            Console.Clear();
+
+            for (int y = 0; y < board.GetLength(1); y++)
+            for (int x = 0; x < board.GetLength(0); x++)
+            {
+                Console.SetCursorPosition(x, y+2);
+                Console.Write(DrawToken(board[x, y]));
+            }
+        }
+
+        public char DrawToken(Token token)
+        {
+            switch (token)
+            {
+                case Token.FirstPlayer:
+                    return 'X';
+                case Token.SecondPlayer:
+                    return 'O';
+                case Token.None:
+                    return '.';
+                default:
+                    return ' ';
+            }
+        }
+    }
+}
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