Trik

trik.py

@@ -0,0 +1,12 @@
+moves = input().strip()
+cups = [True, False, False]
+
+for move in moves:
+    if move == "A":
+        cups[0], cups[1] = cups[1], cups[0]
+    elif move == "B":
+        cups[1], cups[2] = cups[2], cups[1]
+    elif move == "C":
+        cups[0], cups[2] = cups[2], cups[0]
+
+print(cups.index(True) + 1)