1 files changed, 21 insertions, 0 deletions
diff --git a/aoc/2025/12/python.py b/aoc/2025/12/python.py
new file mode 100755
index 0000000..c3b5158
--- /dev/null
+++ b/aoc/2025/12/python.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+from fileinput import input
+from itertools import takewhile
+
+
+def check(s: str):
+    return eval(s.replace(": ", ">=9*(").replace("x", "*").replace(" ", "+") + ")")
+
+
+silver = sum(
+    map(
+        check,
+        takewhile(
+            bool,
+            [line.strip() for line in input()][::-1],
+        ),
+    )
+)
+
+print("silver:", silver)