public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  String x = scan . nextLine ( ) ;
  String ans = ( isChokugo ( x ) ) ? "YES" : "NO" ;
  System . out . println ( ans ) ;
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; String x = scan . nextLine ( ) ; String ans = ( isChokugo ( x ) ) ? " YES " : " NO " ; System . out . println ( ans ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) 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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (ternary_expression condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier)))) consequence: (string_literal) alternative: (string_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))