create dev channel

2025-05-07 04:44:30 +09:00
parent 603fca2b20
commit 16a8e59450
426 changed files with 643 additions and 36 deletions
--- a/zeta/py/completed/3046.py
+++ b/zeta/py/completed/3046.py
@@ -0,0 +1,2 @@
+R1, S = map(int, input().split())
+print(2 * S - R1)