public static void main ( String [ ] args ) {
  FastScanner fc = new FastScanner ( System . in ) ;
  int K = fc . nextInt ( ) ;
  int S = fc . nextInt ( ) ;
  int count = 0 ;
  for ( int i = 0 ;
  i <= K ;
  i ++ ) {
    for ( int j = 0 ;
    j <= K ;
    j ++ ) {
      int temp = S - i - j ;
      if ( temp >= 0 && temp <= K ) count ++ ;
    }
  }
  System . out . println ( count ) ;
}

public static void main ( String [ ] args ) { FastScanner fc = new FastScanner ( System . in ) ; int K = fc . nextInt ( ) ; int S = fc . nextInt ( ) ; int count = 0 ; for ( int i = 0 ; i <= K ; i ++ ) { for ( int j = 0 ; j <= K ; j ++ ) { int temp = S - i - j ; if ( temp >= 0 && temp <= K ) count ++ ; } } System . out . println ( count ) ; }
(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)))))) (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: (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 (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 (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (expression_statement (update_expression (identifier)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))