diff --git a/__pycache__/die.cpython-310.pyc b/__pycache__/die.cpython-310.pyc
new file mode 100644
index 0000000..61321f2
Binary files /dev/null and b/__pycache__/die.cpython-310.pyc differ
diff --git a/dice_stats.py b/dice_stats.py
index 83a99cb..3d5cc0d 100644
--- a/dice_stats.py
+++ b/dice_stats.py
@@ -18,13 +18,33 @@ class FiveDice:
             if face != 1:
                 return False
         return True
+    
+    def is_three_of_a_kind(self):
+        self.faces().sort()
+        if self.faces()[0] == self.faces()[1] and self.faces()[0] == self.faces()[2] and self.faces()[0] != self.faces()[3]:
+            return True
+        elif self.faces()[1] == self.faces()[2] and self.faces()[1] == self.faces()[3] and self.faces()[1] != self.faces()[4]:
+            return True
+        elif self.faces()[2] == self.faces()[3] and self.faces()[2] == self.faces()[4]:
+            return True
+        else:
+            return False
+
+    def is_four_of_a_kind(self):
+        self.faces().sort()
+        if self.faces()[0] != self.faces()[4] and self.faces()[0] == self.faces()[1] and self.faces()[0] == self.faces()[2] and self.faces()[0] == self.faces()[3]:
+            return True
+        elif self.faces()[0] != self.faces()[1] and self.faces()[1] == self.faces()[2] and self.faces()[1] == self.faces()[3] and self.faces()[1] == self.faces()[4]:
+            return True
+        else:
+            return False
 
 dice = FiveDice()
 successes = 0
 trials = 1000000
 for trial in tqdm(range(trials)):
     dice.roll()
-    if dice.all_ones():
+    if dice.is_four_of_a_kind():
         successes += 1
 
 print(successes/trials)
diff --git a/poetry.lock b/poetry.lock
index ab80980..6b66509 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2,13 +2,13 @@
 
 [[package]]
 name = "click"
-version = "8.1.6"
+version = "8.1.7"
 description = "Composable command line interface toolkit"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "click-8.1.6-py3-none-any.whl", hash = "sha256:fa244bb30b3b5ee2cae3da8f55c9e5e0c0e86093306301fb418eb9dc40fbded5"},
-    {file = "click-8.1.6.tar.gz", hash = "sha256:48ee849951919527a045bfe3bf7baa8a959c423134e1a5b98c05c20ba75a1cbd"},
+    {file = "click-8.1.7-py3-none-any.whl", hash = "sha256:ae74fb96c20a0277a1d615f1e4d73c8414f5a98db8b799a7931d1582f3390c28"},
+    {file = "click-8.1.7.tar.gz", hash = "sha256:ca9853ad459e787e2192211578cc907e7594e294c7ccc834310722b41b9ca6de"},
 ]
 
 [package.dependencies]
@@ -47,5 +47,5 @@ telegram = ["requests"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.11"
-content-hash = "e78479d542c88ba0a220d425c59162a0f8c7ecfef5c42eb296d1431c0ab05b87"
+python-versions = "^3.10"
+content-hash = "20affb522c68abead0ebbdc99087c61d83c1efa06367c5a707a0153e8581679c"
diff --git a/pyproject.toml b/pyproject.toml
index c873876..c54d940 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ readme = "README.md"
 packages = [{include = "lab_dice"}]
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = "^3.10"
 click = "^8.1.6"
 tqdm = "^4.66.1"