diff --git a/dice_stats.py b/dice_stats.py
index 83a99cb..857e02a 100644
--- a/dice_stats.py
+++ b/dice_stats.py
@@ -18,10 +18,24 @@ class FiveDice:
             if face != 1:
                 return False
         return True
+    def is_three_of_a_kind(self):
+        faces = self.faces()
+        for face in faces:
+            count = faces.count(face)
+            if count >= 3:
+                return True
+        return False  
 
-dice = FiveDice()
+    def is_four_of_a_kind(self):
+        faces = self.faces()
+        for face in faces:
+            count = faces.count(face)
+            if count >= 4:
+                return True
+        return False  
 successes = 0
 trials = 1000000
+dice= FiveDice()
 for trial in tqdm(range(trials)):
     dice.roll()
     if dice.all_ones():