Problems
Queue
Competitions
Ranking
Articles
Signup
Signin
bolt
Try our new interface for solving problems
Try
Problems
LOL
Statement
Solutions
Statistics
Discussion
LOL
10 hours before contest...
Input
two cows
Output
happy life
Time limit
1
second
Memory limit
128
MiB
Input example #1
content_copy
2 2
Output example #1
content_copy
2
Source 2019 Fall KBTU OPEN, Problem J
XOR
woogle.we