diff --git a/main.c b/main.c
index 4bbdf34..7c824fe 100644
--- a/main.c
+++ b/main.c
@@ -6,18 +6,79 @@
 /*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/18 02:09:32 by tischmid          #+#    #+#             */
-/*   Updated: 2023/03/18 02:51:40 by tischmid         ###   ########.fr       */
+/*   Updated: 2023/03/18 03:50:10 by tischmid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 void	rush(int x, int y);
+void	ft_putchar(char c);
+void	ft_putstr(char *str);
+void	ft_putnbr(int nb);
+int		ft_atoi(char *str);
 
-int	main(void)
+int	main(int argc, char *argv[])
 {
-	rush(5, 3);
-	rush(5, 1);
-	rush(1, 1);
-	rush(1, 5);
-	rush(4, 4);
+	int	width;
+	int	height;
+
+	if (argc != 3)
+	{
+		ft_putstr("Wrong number of arguments (expected 2 got ");
+		ft_putnbr(argc - 1);
+		ft_putstr(")\n");
+		return (1);
+	}
+	width = ft_atoi(argv[1]);
+	height = ft_atoi(argv[2]);
+	rush(width, height);
+	// rush(5, 3);
+	// rush(5, 1);
+	// rush(1, 1);
+	// rush(1, 5);
+	// rush(4, 4);
 	return (0);
 }
+
+void	ft_putstr(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i] != 0)
+		ft_putchar(str[i++]);
+}
+
+void	ft_putnbr(int nb)
+{
+	char	last_digit;
+
+	if (nb < 0)
+	{
+		ft_putchar('-');
+		if (nb == 1 << 31)
+		{
+			nb += 2e9;
+			ft_putchar('2');
+		}
+		nb *= -1;
+	}
+	last_digit = nb % 10 + '0';
+	if (nb > 9)
+	{
+		nb /= 10;
+		ft_putnbr(nb);
+	}
+	ft_putchar(last_digit);
+}
+
+int	ft_atoi(char *str)
+{
+	int	i;
+	int	number;
+
+	i = 0;
+	number = 0;
+	while (str[i] >= '0' && str[i] <= '9')
+		number = number * 10 + (str[i++] - '0');
+	return (number);
+}
diff --git a/rush0X.c b/rush0X.c
index 5ceb9f9..9cbb01b 100644
--- a/rush0X.c
+++ b/rush0X.c
@@ -1,12 +1,12 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   rush00.c                                           :+:      :+:    :+:   */
+/*   rush0X.c                                           :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/18 02:10:24 by tischmid          #+#    #+#             */
-/*   Updated: 2023/03/18 03:02:19 by tischmid         ###   ########.fr       */
+/*   Updated: 2023/03/18 03:47:34 by tischmid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,9 +17,9 @@ const char	g_inside = ' ';
 
 // Rush 00
 // clockwise, starting from top left
-// const char	g_corners[] = {'o', 'o', 'o', 'o'};
-// const char	g_horizontal = '-';
-// const char	g_vertical = '|';
+const char	g_corners[] = {'o', 'o', 'o', 'o'};
+const char	g_horizontal = '-';
+const char	g_vertical = '|';
 
 // Rush 01
 // const char	g_corners[] = {'/', '\\', '/', '\\'};
@@ -37,9 +37,9 @@ const char	g_inside = ' ';
 // const char	g_vertical = 'B';
 
 // Rush 04
-const char	g_corners[] = {'A', 'C', 'A', 'C'};
-const char	g_horizontal = 'B';
-const char	g_vertical = 'B';
+// const char	g_corners[] = {'A', 'C', 'A', 'C'};
+// const char	g_horizontal = 'B';
+// const char	g_vertical = 'B';
 
 void	rush(int x, int y)
 {