public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int h = sc . nextInt ( ) ;
  int w = sc . nextInt ( ) ;
  char [ ] [ ] a = new char [ h ] [ w ] ;
  for ( int i = 0 ;
  i < h ;
  i ++ ) {
    a [ i ] = ( sc . next ( ) ) . toCharArray ( ) ;
  }
  char [ ] [ ] b = new char [ h ] [ w ] ;
  char [ ] [ ] r = new char [ h ] [ w ] ;
  for ( int i = 0 ;
  i < h ;
  i ++ ) {
    for ( int j = 0 ;
    j < w ;
    j ++ ) {
      if ( j == 0 ) {
        b [ i ] [ j ] = '#' ;
        r [ i ] [ j ] = '.' ;
      }
      else if ( j == w - 1 ) {
        b [ i ] [ j ] = '.' ;
        r [ i ] [ j ] = '#' ;
      }
      else {
        if ( i % 2 == 0 ) {
          b [ i ] [ j ] = '.' ;
          r [ i ] [ j ] = '#' ;
        }
        else {
          b [ i ] [ j ] = '#' ;
          r [ i ] [ j ] = '.' ;
        }
      }
    }
  }
  for ( int i = 0 ;
  i < h ;
  i ++ ) {
    for ( int j = 0 ;
    j < w ;
    j ++ ) {
      if ( a [ i ] [ j ] == '#' ) {
        r [ i ] [ j ] = '#' ;
        b [ i ] [ j ] = '#' ;
      }
    }
  }
  puts ( b ) ;
  puts ( r ) ;
  return ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int h = sc . nextInt ( ) ; int w = sc . nextInt ( ) ; char [ ] [ ] a = new char [ h ] [ w ] ; for ( int i = 0 ; i < h ; i ++ ) { a [ i ] = ( sc . next ( ) ) . toCharArray ( ) ; } char [ ] [ ] b = new char [ h ] [ w ] ; char [ ] [ ] r = new char [ h ] [ w ] ; for ( int i = 0 ; i < h ; i ++ ) { for ( int j = 0 ; j < w ; j ++ ) { if ( j == 0 ) { b [ i ] [ j ] = ' # ' ; r [ i ] [ j ] = ' . ' ; } else if ( j == w - 1 ) { b [ i ] [ j ] = ' . ' ; r [ i ] [ j ] = ' # ' ; } else { if ( i % 2 == 0 ) { b [ i ] [ j ] = ' . ' ; r [ i ] [ j ] = ' # ' ; } else { b [ i ] [ j ] = ' # ' ; r [ i ] [ j ] = ' . ' ; } } } } for ( int i = 0 ; i < h ; i ++ ) { for ( int j = 0 ; j < w ; j ++ ) { if ( a [ i ] [ j ] == ' # ' ) { r [ i ] [ j ] = ' # ' ; b [ i ] [ j ] = ' # ' ; } } } puts ( b ) ; puts ( r ) ; return ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal)))) alternative: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal)))) alternative: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal)))))))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))))))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (return_statement)))