diff --git a/dice_stats.py b/dice_stats.py
index 83a99cb..6f1a7a7 100644
--- a/dice_stats.py
+++ b/dice_stats.py
@@ -19,15 +19,40 @@ class FiveDice:
                 return False
         return True
 
+      
+    def is_three_of_a_kind(self):
+        faces = self.faces()
+        for value in set(faces):
+            if faces.count(value) >= 3:
+                return True
+        return False
+    
+    def is_four_of_a_kind(self):
+        faces = self.faces()
+        for value in set(faces):
+            if faces.count(value) >= 4:
+                return True
+        return False
+    
+
 dice = FiveDice()
 successes = 0
+successes_three = 0
+successes_four = 0
+
 trials = 1000000
 for trial in tqdm(range(trials)):
     dice.roll()
     if dice.all_ones():
         successes += 1
+    if dice.is_three_of_a_kind():
+        successes_three += 1
+    if dice.is_four_of_a_kind():
+        successes_four += 1
 
 print(successes/trials)
+print("Odds of three-of-a-kind:", successes_three / trials)
+print("Odds of four-of-a-kind:", successes_four / trials)