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 Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

import java.io.*;
import java.util.*;

public class Main{
    public void run(){
        try(BufferedReader br = new BufferedReader(new InputStreamReader(System.in))){
            String[] args = br.readLine().split(" ");
            int n = Integer.parseInt(args[0]);
            int m = Integer.parseInt(args[1]);
            List<String> list = new ArrayList<>();
            for(int i = 0; i < n; i++){
                list.add(br.readLine());
            }

            for(int i = 0; i< m + 2; i++){
                System.out.print("#");
            }
            System.out.println();
            for(int i = 0; i< n;i++){
                System.out.println("#"+ list.get(i) + "#");
            }
            for(int i = 0; i< m + 2; i++){
                System.out.print("#");
            }
            System.out.println();

        }catch(Exception e){

        }
    }
    public static void main(String... args){
        new Main().run();
    }
}