static boolean query ( int a , int b ) {
  ++ qc ;
  System . out . println ( "? " + a + " " + b ) ;
  String ret = sc . next ( ) ;
  return ret . charAt ( 0 ) == 'Y' ;
}

static boolean query ( int a , int b ) { ++ qc ; System . out . println ( " ? ▁ " + a + " ▁ " + b ) ; String ret = sc . next ( ) ; return ret . charAt ( 0 ) == ' Y ' ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (update_expression (identifier))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (identifier)) right: (string_literal)) right: (identifier))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (return_statement (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (character_literal)))))