public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  if ( System . getProperty ( "ONLINE_JUDGE" ) == null ) {
    try {
      System . setOut ( new PrintStream ( new FileOutputStream ( "output.txt" ) ) ) ;
      sc = new Scanner ( new File ( "input.txt" ) ) ;
    }
    catch ( Exception e ) {
    }
  };
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; if ( System . getProperty ( " ONLINE _ JUDGE " ) == null ) { try { System . setOut ( new PrintStream ( new FileOutputStream ( " output . txt " ) ) ) ; sc = new Scanner ( new File ( " input . txt " ) ) ; } catch ( Exception e ) { } } ; }
(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)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))) right: (null_literal))) consequence: (block (try_statement body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (string_literal)))))))) (expression_statement (assignment_expression left: (identifier) right: (object_creation_expression type: (type_identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (string_literal)))))))) (catch_clause (catch_formal_parameter (catch_type (type_identifier)) name: (identifier)) body: (block)))))))