Designer Door Mat

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 X. ( is an odd natural number, and  is  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  and .

Constraints

Output Format

Output the design pattern.

Sample Input

9 27

Sample Output

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

------------.|.------------



# Enter your code here. Read input from STDIN. Print output to STDOUT
a,b=input().split()
a=int(a)
b=int(b)
c='.|.'
for i in range(a//2):
    print(str(c*(2*i+1)).center(b,'-'))
    
print('WELCOME'.center(b,'-'))

'''
i -> 0,2
op-> 5,1
i,a->4,2,0
i=0
2*i+1=1,3,5
a=3
2a-(2i+1)
6-1
6-3
6-5
'''
for i in range(a//2):

    print(str(c*(2*(a//2)-(2*i+1))).center(b,'-')) 

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