public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int H = sc . nextInt ( ) ;
  int W = sc . nextInt ( ) ;
  final List < String > a = IntStream . range ( 0 , H ) . mapToObj ( i -> sc . next ( ) ) . collect ( Collectors . toList ( ) ) ;
  final List < String > result = process ( H , W , a ) ;
  result . forEach ( System . out :: println ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int H = sc . nextInt ( ) ; int W = sc . nextInt ( ) ; final List < String > a = IntStream . range ( 0 , H ) . mapToObj ( i -> sc . next ( ) ) . collect ( Collectors . toList ( ) ) ; final List < String > result = process ( H , W , a ) ; result . forEach ( System . out :: println ) ; }
(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 (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier))) name: (identifier) arguments: (argument_list (lambda_expression parameters: (identifier) body: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_reference (field_access object: (identifier) field: (identifier)) (identifier)))))))