public static void main ( String [ ] args ) throws Exception {
  Scanner in = new Scanner ( System . in ) ;
  int q = in . nextInt ( ) ;
  ArrayList < Interval > intervals = new ArrayList < > ( ) ;
  int numIntervals = 0 ;
  for ( int counter = 0 ;
  counter < q ;
  counter ++ ) {
    if ( in . nextInt ( ) == 1 ) {
      Interval newInterval = new Interval ( in . nextInt ( ) , in . nextInt ( ) , ++ numIntervals ) ;
      for ( Interval i : intervals ) {
        i . addInterval ( newInterval ) ;
        newInterval . addInterval ( i ) ;
      }
      intervals . add ( newInterval ) ;
    }
    else {
      int first = in . nextInt ( ) - 1 ;
      int goal = in . nextInt ( ) - 1 ;
      System . out . println ( intervals . get ( first ) . contains ( intervals . get ( goal ) ) ? "YES" : "NO" ) ;
    }
  }
}

public static void main ( String [ ] args ) throws Exception { Scanner in = new Scanner ( System . in ) ; int q = in . nextInt ( ) ; ArrayList < Interval > intervals = new ArrayList < > ( ) ; int numIntervals = 0 ; for ( int counter = 0 ; counter < q ; counter ++ ) { if ( in . nextInt ( ) == 1 ) { Interval newInterval = new Interval ( in . nextInt ( ) , in . nextInt ( ) , ++ numIntervals ) ; for ( Interval i : intervals ) { i . addInterval ( newInterval ) ; newInterval . addInterval ( i ) ; } intervals . add ( newInterval ) ; } else { int first = in . nextInt ( ) - 1 ; int goal = in . nextInt ( ) - 1 ; System . out . println ( intervals . get ( first ) . contains ( intervals . get ( goal ) ) ? " YES " : " NO " ) ; } } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_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: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_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 (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) consequence: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) (update_expression (identifier)))))) (enhanced_for_statement type: (type_identifier) name: (identifier) value: (identifier) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) alternative: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (string_literal) alternative: (string_literal)))))))))))