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: Runtime Error)

import java.util.Scanner;
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+1][W+1];
        for(int i=1;i<H+1;i++){
            for(int j=1;j<W+1;j++){
                a[i][j]=sc.next();
            }
        }
        int k=0;
        int l=0;
        while(k<H+2){
            while(l<W+2){
                if(k==0||k==H+1||l==0||l==W+1){
                    System.out.print("#");
                }else{
                    System.out.printf("%s",a[k][l]);
                }
                l++;
            }
            System.out.println();
            l=0;
            k++;
        }
    }
}