100 atcoder#ABC062B. [ABC062B] Picture Frame
[ABC062B] Picture Frame
Score : points
Problem Statement
You are given a image with a height of pixels and a width of pixels. Each pixel is represented by a lowercase English letter. The pixel at the -th row from the top and -th column from the left is .
Put a box around this image and output the result. The box should consist of #
and have a thickness of .
Constraints
- is a lowercase English letter.
Input
Input is given from Standard Input in the following format:
Output
Print the image surrounded by a box that consists of #
and has a thickness of .
2 3
abc
arc
#####
#abc#
#arc#
#####
1 1
z
###
#z#
###