题目描述
Mr. Vincent works in a door mat manufacturing company. One day, he designed a new door mat with the following specifications:
Mat size must be $N$X$\mbox{M}$. ($N$ is an odd natural number, and $\mbox{M}$ is $3$ times $N$.)
The design should have 'WELCOME' written in the center.
The design pattern should only use |, . and - characters.
Sample Designs
Size: 7 x 21
---------.|.---------
------.|..|..|.------
---.|..|..|..|..|.---
-------WELCOME-------
---.|..|..|..|..|.---
------.|..|..|.------
---------.|.---------
Size: 11 x 33
---------------.|.---------------
------------.|..|..|.------------
---------.|..|..|..|..|.---------
------.|..|..|..|..|..|..|.------
---.|..|..|..|..|..|..|..|..|.---
-------------WELCOME-------------
---.|..|..|..|..|..|..|..|..|.---
------.|..|..|..|..|..|..|.------
---------.|..|..|..|..|.---------
------------.|..|..|.------------
---------------.|.---------------
Input Format
A single line containing the space separated values of $N$ and $\mbox{M}$.
Constraints
$5<N<101$
$15<M<303$
Output Format
Output the design pattern.
Sample Input
9 27
Sample Output
------------.|.------------
---------.|..|..|.---------
------.|..|..|..|..|.------
---.|..|..|..|..|..|..|.---
----------WELCOME----------
---.|..|..|..|..|..|..|.---
------.|..|..|..|..|.------
---------.|..|..|.---------
------------.|.------------
输入格式
见题面
输出格式
见题面