# Problem

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 M. (N is an odd natural number, and M is 3 times .)
• 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 M.

#### Output Format

Output the design pattern.

```9 27
```

#### Sample Output

```------------.|.------------
---------.|..|..|.---------
------.|..|..|..|..|.------
---.|..|..|..|..|..|..|.---
----------WELCOME----------
---.|..|..|..|..|..|..|.---
------.|..|..|..|..|.------
---------.|..|..|.---------
------------.|.------------
```

### Solution

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21``` ```def Pattern(rows, columns): width = columns for i in range (0, int (rows / 2)): pattern = ".|." * ((2 * i) + 1) print (pattern.center (width, '-')) print ("WELCOME".center (width, '-')) i = int (rows / 2) while i > 0: pattern = ".|." * ((2 * i) - 1) print (pattern.center (width, '-')) i = i-1 return rows,columns =map(int,input().split()) Pattern(rows, columns) ```
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