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)

#include<iostream>    
#include<cstdio>  
#include<stdio.h>  
#include<cstring>    
#include<cstdio>    
#include<climits>    
#include<cmath>   
#include<vector>  
#include <bitset>  
#include<algorithm>    
#include <queue>  
#include<map> 
#define inf 9999999; 
using namespace std;


int i,j,n,m;
char a[105][105];
int main()
{
	cin>>n>>m;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=m;j++)
		{
			cin>>a[i][j];
		}
	}
	for(i=1;i<=m+2;i++)
	{
		cout<<"#";
	}
	cout<<endl;
	for(i=1;i<=n;i++)
	{
		cout<<"#";
		for(j=1;j<=m;j++)
		{
			cout<<a[i][j];
		}
		cout<<"#"<<endl;
	}
	for(i=1;i<=m+2;i++)
	{
		cout<<"#";
	}
	cout<<endl;
}