diff --git a/Makefile b/Makefile
index 5ac82f1..0cd7075 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SRCS = main.c ft_split.c util_func1.c util_func2.c
+SRCS = main.c ft_split.c util_func1.c util_func2.c operations.c
 # SRCB = 
 DIR = ./srcs/
 BONUS_DIR = ./bonus/
diff --git a/push_swap b/push_swap
index 34fa140..41b1a77 100755
Binary files a/push_swap and b/push_swap differ
diff --git a/srcs/main.c b/srcs/main.c
index 8a13099..b36cc54 100644
--- a/srcs/main.c
+++ b/srcs/main.c
@@ -6,7 +6,7 @@
 /*   By: ael-maaz <ael-maaz@student.1337.ma>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/04/01 16:58:38 by ael-maaz          #+#    #+#             */
-/*   Updated: 2024/04/03 02:00:53 by ael-maaz         ###   ########.fr       */
+/*   Updated: 2024/04/03 02:54:25 by ael-maaz         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -35,7 +35,7 @@ void fill_stack(char **av, int ac, t_stack *stack_a)
 {
 	int i = 0;
 	int j ;
-	int k = ;
+	int k = stack_a->size - 1;
 	stack_a->top = -1;
 	char **arg;
 	while(++i < ac)
@@ -45,20 +45,36 @@ void fill_stack(char **av, int ac, t_stack *stack_a)
 		while(arg[++j])
 		{
 			stack_a->top++;
-			stack_a->stack[k++] = ft_atoi(arg[j]);
+			stack_a->stack[k--] = ft_atoi(arg[j]);
 		}
 	}
-	int l = 0;
-	while(l < stack_a->size)
-		printf("%d\n",stack_a->stack[l++]);
 }
 
-void something(char **av, int ac, t_stack *stack_a)
+int duplicates(t_stack stack_a)
 {
-	// printf("ac = %d\n", ac);
-	int i = 0;
-	int j;
-	char **arg;
+	int i =0;
+	int j =0;
+	while(i < stack_a.size)
+	{
+		j = 0;
+		while(j < i)
+		{
+			if(stack_a.stack[j] == stack_a.stack[i])
+				return 0;
+			j++;
+		}
+		i++;
+	}
+	return 1;
+}
+
+void init_stacks(char **av, int ac, t_stack *stack_a, t_stack *stack_b)
+{
+	int		i;
+	int		j;
+	char	**arg;
+
+	i = 0;
 	stack_a->size = 0;
 	while(++i < ac)
 	{
@@ -68,21 +84,59 @@ void something(char **av, int ac, t_stack *stack_a)
 			stack_a->size++;
 	}
 	stack_a->stack = malloc(sizeof(int) * stack_a->size);
-	// printf("%d\n", stack_a->size);
+	stack_b->size = stack_a->size;
+	stack_b->stack = malloc(sizeof(int) * stack_b->size);
+	stack_b->top = -1;
 	fill_stack(av,ac,stack_a);
 	return ;
 }
 
+void print_stacks(t_stack a,t_stack b)
+{
+	int i = 0;
+	int j = 0;
+	printf("-----------------stack a-----------\n");
+	while(i < a.top + 1)
+		printf("%d\n", a.stack[i++]);
+	printf("-----------------stack b------------\n");
+	while(j < b.top + 1)
+		printf("%d\n", b.stack[j++]);
+}
+
 int	main(int ac, char **av)
 {
 	t_stack a;
-	// t_stack b;
+	t_stack b;
 	if (ac > 1)
 	{
 		if(test_argv(av, ac) == 1)
 		{
 			write(1, "valid\n", 6);
-			something(av, ac, &a);
+			init_stacks(av, ac, &a, &b);
+			if(duplicates(a) == 0)
+				return(write(1, "Error\n", 6),0);
+			print_stacks(a,b);
+			pb(&a,&b);
+			print_stacks(a,b);
+			pb(&a,&b);
+			print_stacks(a,b);
+			pb(&a,&b);
+			print_stacks(a,b);
+			pb(&a,&b);
+			print_stacks(a,b);
+			pb(&a,&b);
+			print_stacks(a,b);
+			printf("first part\n");
+			print_stacks(a,b);
+			pa(&a,&b);
+			print_stacks(a,b);
+			pa(&a,&b);
+			print_stacks(a,b);
+			pa(&a,&b);
+			print_stacks(a,b);
+			pa(&a,&b);
+			print_stacks(a,b);
+			// printf("stack a top: %d                  stack b top: %d\n", a.stack[a.top],b.stack[b.top]);
 		}
 		else
 			write(1, "Error\n", 6);
diff --git a/srcs/main.o b/srcs/main.o
index 1ec286b..040b782 100644
Binary files a/srcs/main.o and b/srcs/main.o differ
diff --git a/srcs/operations.c b/srcs/operations.c
new file mode 100644
index 0000000..a7a969b
--- /dev/null
+++ b/srcs/operations.c
@@ -0,0 +1,33 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   operations.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ael-maaz <ael-maaz@student.1337.ma>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/04/03 02:34:02 by ael-maaz          #+#    #+#             */
+/*   Updated: 2024/04/03 02:44:08 by ael-maaz         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+void pb(t_stack *a, t_stack *b)
+{
+	if(a->top > -1)
+	{
+		b->top++;
+		b->stack[b->top] = a->stack[a->top];
+		a->top--;
+	}
+}
+
+void pa(t_stack *a, t_stack *b)
+{
+	if(b->top > -1)
+	{
+		a->top++;
+		a->stack[a->top] = b->stack[b->top];
+		b->top--;
+	}
+}
\ No newline at end of file
diff --git a/srcs/operations.o b/srcs/operations.o
new file mode 100644
index 0000000..13a40f9
Binary files /dev/null and b/srcs/operations.o differ
diff --git a/srcs/push_swap.h b/srcs/push_swap.h
index 72b9db4..1da1b8c 100644
--- a/srcs/push_swap.h
+++ b/srcs/push_swap.h
@@ -6,7 +6,7 @@
 /*   By: ael-maaz <ael-maaz@student.1337.ma>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/04/01 16:59:48 by ael-maaz          #+#    #+#             */
-/*   Updated: 2024/04/03 01:50:36 by ael-maaz         ###   ########.fr       */
+/*   Updated: 2024/04/03 02:44:24 by ael-maaz         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -32,6 +32,8 @@ void	*ft_memcpy(void *dst, const void *src, size_t n);
 void	ft_putstr(char *s);
 char	**ft_split(char const *s, char c);
 void	ft_putnbr(int n);
-int	ft_atoi(const char *s);
+int		ft_atoi(const char *s);
+void pb(t_stack *a, t_stack *b);
+void pa(t_stack *a, t_stack *b);
 
 #endif
\ No newline at end of file