++

two.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+from useful import *
+
+def prd(c):
+    return (ord(c) - ord('A')) % 23
+
+def scores(c):
+    return 1 + prd(c)
+
+def bonus(a, b): # for b (that's us)
+    return [[3, 6, 0],
+            [0, 3, 6],
+            [6, 0, 3]][prd(a)][prd(b)]
+
+rounds = [[l[0], l[2]] for l in lines(open(0))]
+ic([[a, b, scores(b), bonus(a, b)] for a, b in rounds])
+print(sum(scores(b) + bonus(a, b) for a, b in rounds))