public static void main ( String [ ] args ) {
  try ( Scanner scanner = new Scanner ( System . in ) ) {
    int N = scanner . nextInt ( ) ;
    long X = scanner . nextLong ( ) ;
    long [ ] as = new long [ N ] ;
    long [ ] ps = new long [ N ] ;
    as [ 0 ] = 1 ;
    ps [ 0 ] = 1 ;
    for ( int i = 1 ;
    i < N ;
    i ++ ) {
      as [ i ] = as [ i - 1 ] * 2 + 3 ;
      ps [ i ] = ps [ i - 1 ] * 2 + 1 ;
    }
    System . out . println ( f ( N , X , as , ps ) ) ;
  }
}

public static void main ( String [ ] args ) { try ( Scanner scanner = new Scanner ( System . in ) ) { int N = scanner . nextInt ( ) ; long X = scanner . nextLong ( ) ; long [ ] as = new long [ N ] ; long [ ] ps = new long [ N ] ; as [ 0 ] = 1 ; ps [ 0 ] = 1 ; for ( int i = 1 ; i < N ; i ++ ) { as [ i ] = as [ i - 1 ] * 2 + 3 ; ps [ i ] = ps [ i - 1 ] * 2 + 1 ; } System . out . println ( f ( N , X , as , ps ) ) ; } }
(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 (try_with_resources_statement resources: (resource_specification (resource type: (type_identifier) name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) body: (block (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 type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (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 (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier) (identifier))))))))))