public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int x = scanner . nextInt ( ) ;
  int y = scanner . nextInt ( ) ;
  int turn = 0 ;
  if ( ( x == 0 || x == 1 ) & y == 0 ) {
    System . out . println ( 0 ) ;
    return ;
  }
  if ( y > 0 ) {
    if ( x >= y ) turn = 4 * x - 3 ;
    else if ( x + y >= 0 ) turn = 4 * y - 2 ;
    else turn = - 4 * x - 1 ;
  }
  else {
    if ( x <= y ) turn = - 4 * x - 1 ;
    else if ( x + 2 * y <= 0 ) turn = - 4 * y ;
    else turn = 4 * x - 3 ;
  }
  System . out . println ( turn ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int x = scanner . nextInt ( ) ; int y = scanner . nextInt ( ) ; int turn = 0 ; if ( ( x == 0 || x == 1 ) & y == 0 ) { System . out . println ( 0 ) ; return ; } if ( y > 0 ) { if ( x >= y ) turn = 4 * x - 3 ; else if ( x + y >= 0 ) turn = 4 * y - 2 ; else turn = - 4 * x - 1 ; } else { if ( x <= y ) turn = - 4 * x - 1 ; else if ( x + 2 * y <= 0 ) turn = - 4 * y ; else turn = 4 * x - 3 ; } System . out . println ( turn ) ; }
(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))) (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (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 (decimal_integer_literal)))) (return_statement))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (unary_expression operand: (decimal_integer_literal)) right: (identifier)) right: (decimal_integer_literal))))))) alternative: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (unary_expression operand: (decimal_integer_literal)) right: (identifier)) right: (decimal_integer_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (binary_expression left: (decimal_integer_literal) right: (identifier))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (unary_expression operand: (decimal_integer_literal)) right: (identifier)))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))