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++14 (GCC 5.4.1) (judge verdict: Accepted)

//============================================================================
// Name        : atcoder.cpp
// Author      :
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
using namespace std;
int H,W;
char a[102][102];
int main(){
	cin>>H>>W;
	for(int i=1;i<H+1;i++){
		for(int j=1;j<W+1;j++){
			cin>>a[i][j];
		}
	}

	for(int i=1;i<H+1;i++){
		for(int j=0;j<W+2;j+=W+1){
			a[i][j]='#';
		}
	}


	for(int i=0;i<W+2;i++){
		cout<<"#";
	}cout<<endl;

	for(int i=1;i<H+1;i++){
		for(int j=0;j<W+2;j++){
			cout<<a[i][j];
		}
		cout<<endl;
	}
	for(int i=0;i<W+2;i++)cout<<"#";


	cout<<endl;

	return 0;
}