public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  n = scan . nextInt ( ) ;
  m = scan . nextInt ( ) ;
  scan . nextLine ( ) ;
  char [ ] [ ] arr = new char [ n ] [ m ] ;
  boolean [ ] [ ] visited = new boolean [ n ] [ m ] ;
  String str = "" ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    str = scan . nextLine ( ) ;
    for ( int j = 0 ;
    j < m ;
    j ++ ) {
      arr [ i ] [ j ] = str . charAt ( j ) ;
    }
  }
  f ( arr , visited , 0 , 0 , false ) ;
  for ( int i = 0 ;
  i < n ;
  ++ i ) {
    for ( int j = 0 ;
    j < m ;
    ++ j ) {
      System . out . print ( arr [ i ] [ j ] ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; n = scan . nextInt ( ) ; m = scan . nextInt ( ) ; scan . nextLine ( ) ; char [ ] [ ] arr = new char [ n ] [ m ] ; boolean [ ] [ ] visited = new boolean [ n ] [ m ] ; String str = " " ; for ( int i = 0 ; i < n ; i ++ ) { str = scan . nextLine ( ) ; for ( int j = 0 ; j < m ; j ++ ) { arr [ i ] [ j ] = str . charAt ( j ) ; } } f ( arr , visited , 0 , 0 , false ) ; for ( int i = 0 ; i < n ; ++ i ) { for ( int j = 0 ; j < m ; ++ j ) { System . out . print ( arr [ i ] [ j ] ) ; } System . out . println ( ) ; } }
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