M
arkov
A
lgorithm
O
nline
About
Problem
Contest
Player
English
日本語
English
Register
Login
Append s
golf
Task
Solvers
Statement
You are given S contains only 'b'. Add a single 's' to the tail.
Sample Input
Sample Output
Run
Stop
Step
Reset
Submit
Writer
admin
Publish date
2020/05/06 21:07:05
Solved
1599
Best
3
Top player
kimiyuki