diff --git a/work1/q3.c b/work1/q3.c
index 4ce89ab..3b2baf6 100644
--- a/work1/q3.c
+++ b/work1/q3.c
@@ -4,12 +4,15 @@
 
 #define DEPOT_SIZE 10
 
-struct Bus {
+struct Bus
+{
     int BusID;
     int RouteID;
     time_t schedule;
 } Depot[DEPOT_SIZE];
 
+typedef enum { true, false } bool;
+
 void createBuses();
 void printBuses();
 void scheduleBuses();
@@ -17,12 +20,34 @@ void alignupBuses();
 void releaseBuses();
 void emergency();
 
-int main() {
+// utils variable
+bool has_created = false;
 
+// utils function
+print_depot(struct Bus *depot);
+
+int main()
+{
     return EXIT_SUCCESS;
 }
 
-void createBuses() {
-    // do something
-    
+void createBuses()
+{
+    for (int i = 0; i < DEPOT_SIZE; i++)
+    {
+        Depot[i].BusID = i + 1;
+        Depot[i].RouteID = 1000 + (i + i);
+    }
+
+    has_created = true;
+}
+
+print_depot(struct Bus *depot) {
+    int size = sizeof(depot) / sizeof(depot[0]);
+
+    printf("\n Depost size: %d", size);
+    for (int i = 0; i < size; i++) {
+        printf("Bus ID: %d\n", depot[i].BusID);
+        printf("Route ID: %d\n", depot[i].RouteID);
+    }
 }
\ No newline at end of file