diff --git a/cv9/snake.c b/cv9/snake.c
index 7038cdb..daf1c61 100644
--- a/cv9/snake.c
+++ b/cv9/snake.c
@@ -2,7 +2,11 @@
 #include <stdlib.h>
 
 struct snake* add_snake(struct snake* snake,int x,int y){
-    return NULL;
+    struct snake* head = calloc(1,sizeof(struct snake));
+    head->x = x;
+    head->y = y;
+    head->next = snake;
+    return head;
 }
 
 struct snake* remove_snake(struct snake* snake){