#include <cstdio>
const int NULA = 0;
const int MAXN = 52;
char S[ MAXN ];

int main( void ) {
  int m, n;

  scanf( "%d%d", &n, &m );

  for( int i = 0; i < m+4; ++i ) 
    printf( "*" );
  printf( "\n" ); 

  for( int i = 0; i < n; ++i ) {
    printf( "*." );
    scanf( " %s", S );
    printf( "%s", S );
    printf( ".*\n" );
  }

  for( int i = 0; i < m+4; ++i ) 
    printf( "*" );
  printf( "\n" ); 
  
  return NULA;
}