diff --git a/kjg/python-the-hard-way/e30.py b/kjg/python-the-hard-way/e30.py
index ca2228f..a790c43 100644
--- a/kjg/python-the-hard-way/e30.py
+++ b/kjg/python-the-hard-way/e30.py
@@ -2,26 +2,27 @@ people = 21
 cars = 15
 trucks = 30
 
-if cars > people:
-    print("We should take the cars.")
-elif cars < people:
-    print("We should not take the cars.")
+if cars > people:   #check cars are bigger than people
+    print("We should take the cars.") #print if cars are bigger than people
+elif cars < people: #check cars are smaller than people
+    print("We should not take the cars.") #print if cars are smaller than people
 else:
-    print("We can't decide.")
+    print("We can't decide.") #print if cars are same with people
 
 
-if trucks > cars:
-    print("That's too many trucks.")
-elif trucks < cars:
-    print("Maybe we could take the trucks.")
+if trucks > cars:   #check trucks are bigger than cars
+    print("That's too many trucks.") #print if trucks  are bigger than cars
+elif trucks < cars:  #check trucks are smaller than cars
+    print("Maybe we could take the trucks.") #print if trucks are smaller than cars
 else:
-    print("We still can't decide.")
-if people > trucks:
-    print("Alright, let's just take the trucks.")
+    print("We still can't decide.") #print if trucks are same with cars
+    
+if people > trucks:  #check people are bigger than trucks
+    print("Alright, let's just take the trucks.") #print if people are bigger than trucks
 else:
-    print("Fine, let's stay home then.")
+    print("Fine, let's stay home then.") #print if people are bigger than trucks
 
-if cars > people or trucks < cars:
-    print("cars are many")
+if cars > people or trucks < cars: #check cars are bigger than people or trucks are smaller than cars
+    print("cars are many") #print if cars are bigger than people or trucks are smaller than cars
 else:
-    print("trucks or people is bigger")
+    print("trucks or people is bigger") #print not (cars > people or trucks < cars)