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.Scanner;
public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int h = sc.nextInt();
    int w = sc.nextInt();
    String[] a = new String[h];
    char[][] b = new char[h][w];
    for(int i = 0; i < h; i++) {
      a[i] = sc.next();
      for(int j = 0; j < w; j++) {
        b[i][j] = a[i].charAt(j);
      }
    }
    for(int i = 0; i < h + 2; i++) {
      for(int j = 0; j < w + 2; j++) {
        if(i == 0 || i == h + 1) {
          System.out.print("#");
        }else{
          if(j == 0 || j == w+1) {
            System.out.print("#");
          }else{
            System.out.print(b[i-1][j-1]);
          }
        }
      }
      System.out.println();
    }
  }
}