day 19, easier than previous ones

d19/run.py

@@ -0,0 +1,6 @@
+import sys
+from functools import cache
+f = cache(lambda s: 1 if len(s)==0 else sum(f(s[len(r):]) for r in R if s.startswith(r)))
+R, I = sys.stdin.read().strip().split("\n\n") ; R = R.split(", ")
+print(sum(f(i)>0 for i in I.split("\n")))
+print(sum(f(i) for i in I.split("\n")))