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