diff --git a/philo/parsing.c b/philo/parsing.c
index b04d069..fffa3dc 100644
--- a/philo/parsing.c
+++ b/philo/parsing.c
@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/27 11:34:57 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/04/27 11:34:58 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/05/17 13:43:29 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,13 +23,15 @@ static bool	check_amount_of_argument(size_t n)
 
 static bool	check_value(char **av, size_t n)
 {
-	size_t	i;
+	size_t			i;
 
 	i = 0;
 	while (i < n)
 	{
 		if (ft_isnum(av[i]) == 0)
 			return (1);
+		if (!(ft_atoi(av[i]) > 0))
+			return (1);
 		i++;
 	}
 	return (0);
diff --git a/philo/print.c b/philo/print.c
index 7eb190a..e53feba 100644
--- a/philo/print.c
+++ b/philo/print.c
@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/27 11:33:33 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/05/17 13:22:19 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/05/17 13:33:17 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,7 +30,7 @@ static void	print(t_data *data, size_t id, char *str)
 	if (stop == false)
 	{
 		time = get_time();
-		printf("%zu %zu %s\n", time, id, str);
+		printf("%07zu %07zu %s\n", time, id + 1, str);
 	}
 	pthread_mutex_unlock(&data->print_mutex);
 }
diff --git a/philo/print2.c b/philo/print2.c
index f597e66..749c985 100644
--- a/philo/print2.c
+++ b/philo/print2.c
@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/27 11:41:14 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/05/17 13:21:33 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/05/17 13:33:33 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -22,6 +22,6 @@ void	print_died(t_philo *philo)
 	data = philo->data;
 	time = get_time();
 	pthread_mutex_lock(&data->print_mutex);
-	printf("%7zu %3zu %s\n", time, philo->id, "died");
+	printf("%07zu %03zu %s\n", time, philo->id + 1, "died");
 	pthread_mutex_unlock(&data->print_mutex);
 }