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 Java7 (OpenJDK 1.7.0) (judge verdict: Runtime Error)

import java.util.* ; 
class Main {
  public static void main(String[] args) {
    Scanner scan = new Scanner (System.in);
	int x = scan.nextInt() ;
    int y =scan.nextInt() ;
    int i = 0 ;
    String[] s = new String[3];
    while(i<x){
      s[i] = scan.next(); 
      i++ ;
    }
    
    for( int k = 0 ; k<x +2 ; k++){
      for(int j = 0 ; j<y+2 ; j++){
        if( k ==0 || k == x+1 ||j==0 ||j==y+1){
          System.out.print("#");
        }else{
          System.out.print(s[k-1].toCharArray()[j-1]);
        }
      }
      System.out.println();
    }
     
  }
}