Problem:
Score : 200 points

Problem Statement

You are given a image with a height of H pixels and a width of W pixels.
Each pixel is represented by a lowercase English letter.
The pixel at the i-th row from the top and j-th column from the left is a_{ij}.

Put a box around this image and output the result. The box should consist of # and have a thickness of 1.

Constraints

1 ≤ H, W ≤ 100

a_{ij} is a lowercase English letter.

Input

Input is given from Standard Input in the following format:

H W
a_{11} ... a_{1W}
:
a_{H1} ... a_{HW}

Output

Print the image surrounded by a box that consists of # and has a thickness of 1.

Sample Input 1

2 3
abc
arc

Sample Output 1

#####
#abc#
#arc#
#####

Sample Input 2

1 1
z

Sample Output 2

###
#z#
###

Solution in C (GCC 5.4.1) (judge verdict: Accepted)

buf[20000];char*p=buf;
i,w;
main(){
	read(0,buf,20000);
	for(;*p>10;p++)w=*p==32?0:w*10+*p-48;
	for(;i++<w+1;)putchar_unlocked('#');
	for(;*p>0;p++){
		*p==10&&putchar_unlocked('#');
		putchar_unlocked(*p);
		*p==10&&putchar_unlocked('#');
	}
	for(i=0;i++<w+1;)putchar_unlocked('#');
}