diff --git a/dice_stats.py b/dice_stats.py
index 83a99cb..64d8087 100644
--- a/dice_stats.py
+++ b/dice_stats.py
@@ -18,6 +18,16 @@ class FiveDice:
             if face != 1:
                 return False
         return True
+    def is_three_of_a_kind(self):
+        count={}
+        for face in self.faces():
+            count[face]=count.get(face, 0)+1
+        return any(count >= 3 for count in count.values())
+    def is_four_of_a_kind(self):
+        count={}
+        for face in self.faces():
+            count[face]=count.get(face, 0)+1
+        return any(count >= 4 for count in count.values())
 
 dice = FiveDice()
 successes = 0
@@ -26,8 +36,24 @@ for trial in tqdm(range(trials)):
     dice.roll()
     if dice.all_ones():
         successes += 1
+print("all ones", successes/trials)
 
-print(successes/trials)
-    
+dice = FiveDice()
+successes = 0
+trials = 1000000
+for trial in tqdm(range(trials)):
+    dice.roll()
+    if dice.is_three_of_a_kind():
+        successes += 1
+print("three of a kind", successes/trials)
+
+dice = FiveDice()
+successes = 0
+trials = 1000000
+for trial in tqdm(range(trials)):
+    dice.roll()
+    if dice.is_four_of_a_kind():
+        successes += 1
+print("four of a kind", successes/trials)