diff --git a/doormat.py b/doormat.py
index 093603d..f31aa40 100644
--- a/doormat.py
+++ b/doormat.py
@@ -45,9 +45,6 @@
 """
 
 
-N, M = map(int,raw_input().split()) # More than 6 lines of code will result in 0 score. Blank lines are not counted.
-for i in xrange(0,N/2): 
-    print ('.|.'*i).rjust((M-2)/2,'-')+'.|.'+('.|.'*i).ljust((M-2)/2,'-')
-print 'WELCOME'.center(M,'-')
-for i in reversed(xrange(0,N/2)): 
-    print ('.|.'*i).rjust((M-2)/2,'-')+'.|.'+('.|.'*i).ljust((M-2)/2,'-')
+n, m = input().split()
+pattern = [('.|.'*(2*i + 1)).center(int(m), '-') for i in range(int(n)//2)]
+print('\n'.join(pattern + ['WELCOME'.center(int(m), '-')] + pattern[::-1]))