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.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int h =sc.nextInt(), w=sc.nextInt();
    String[][] pic= new String[h][w];
    for(int i=0; i<h; i++){
      pic[i]=sc.next().split("");
    }
    for(int i=0; i<=h+1; i++){
      for(int j=0; j<=w+1; j++){
        if(i==0 || i==h+1 || j==0 || j==w+1){
          System.out.print("#");
        }else{
          System.out.print(pic[i-1][j-1]);
        }
      }
      System.out.println("");
    }
  }
}