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

Extracted text: 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 NXM. N is an odd natural number, and 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 -------.. -------|..|..1--- ---.|......|... -WELCOME ----|..|..|..|..|. -------|..I..|. ------ Size: 11 x 33 --1. ---.|..|..|.- ----.1..|..|.. |..1.- ------|....|..|......|.- ----|..|..I..|..|......|.-1.-- -WELCONE 1..1..1..|..|..I..I..|..|.-- --1..1..|..|..|..I...- .1....J.....- --|..|..|.- Input Format A single line containing the space separated values of N and M.