public static void main ( String [ ] args ) {
  Scanner input = new Scanner ( System . in ) ;
  int x , y ;
  x = input . nextInt ( ) ;
  y = input . nextInt ( ) ;
  int box = Math . max ( Math . abs ( x ) , Math . abs ( y ) ) ;
  int res = ( box - 1 ) * 4 ;
  if ( y == 0 && ( x == 0 || x == 1 ) ) {
    res = 0 ;
    System . out . println ( res ) ;
    return ;
  }
  if ( x == box && y == - ( box - 1 ) ) {
    System . out . println ( res ) ;
    return ;
  }
  res ++ ;
  if ( x == box && y > - box ) {
    System . out . println ( res ) ;
    return ;
  }
  res ++ ;
  if ( y == box ) {
    System . out . println ( res ) ;
    return ;
  }
  res ++ ;
  if ( x == - box ) {
    System . out . println ( res ) ;
    return ;
  }
  res ++ ;
  System . out . println ( res ) ;
}

public static void main ( String [ ] args ) { Scanner input = new Scanner ( System . in ) ; int x , y ; x = input . nextInt ( ) ; y = input . nextInt ( ) ; int box = Math . max ( Math . abs ( x ) , Math . abs ( y ) ) ; int res = ( box - 1 ) * 4 ; if ( y == 0 && ( x == 0 || x == 1 ) ) { res = 0 ; System . out . println ( res ) ; return ; } if ( x == box && y == - ( box - 1 ) ) { System . out . println ( res ) ; return ; } res ++ ; if ( x == box && y > - box ) { System . out . println ( res ) ; return ; } res ++ ; if ( y == box ) { System . out . println ( res ) ; return ; } res ++ ; if ( x == - box ) { System . out . println ( res ) ; return ; } res ++ ; System . out . println ( res ) ; }
(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)) declarator: (variable_declarator name: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (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 (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (return_statement))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (unary_expression operand: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (return_statement))) (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (unary_expression operand: (identifier))))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (return_statement))) (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (return_statement))) (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (unary_expression operand: (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (return_statement))) (expression_statement (update_expression (identifier))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))