R2

2022-05-13 21:37:46 +02:00
parent 05152f47f0
commit 737380e6f0
1 changed files with 7 additions and 0 deletions
@@ -0,0 +1,7 @@
+import sys
+
+r1, s = sys.stdin.readline().split(' ')
+r1 = int(r1)
+s = int(s)
+
+print(s*2 - r1)