diff --git a/cv6/a_station.c b/cv6/a_station.c
index 8f659d6..1eff1af 100644
--- a/cv6/a_station.c
+++ b/cv6/a_station.c
@@ -13,9 +13,15 @@ void destroy_station(struct station* station){
 }
 
 int select_track(struct station* station, const char* target){
-    return 0;
+    unsigned long hash = 5381;
+        int c;
+        while ((c = *target++)) {
+            hash = ((hash << 5) + hash) + c;  // hash * 33 + c
+        }
+    return hash % station->track_count;
 }
 
+
 void add_target_capacity(struct station* station,const char* target, int capacity){
 }