public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int x = sc . nextInt ( ) ;
  int y = sc . nextInt ( ) ;
  sc . close ( ) ;
  if ( x == y ) {
    System . out . println ( 0 ) ;
  }
  else if ( - x == y ) {
    System . out . println ( 1 ) ;
  }
  else if ( x < 0 && y < 0 ) {
    if ( Math . abs ( x ) <= Math . abs ( y ) ) {
      System . out . println ( 2 + Math . abs ( y - x ) ) ;
    }
    else {
      System . out . println ( Math . abs ( y - x ) ) ;
    }
  }
  else if ( x < 0 && y > 0 ) {
    if ( Math . abs ( x ) <= Math . abs ( y ) ) {
      System . out . println ( 1 + Math . abs ( y + x ) ) ;
    }
    else {
      System . out . println ( Math . abs ( y + x ) + 1 ) ;
    }
  }
  else if ( x > 0 && y < 0 ) {
    System . out . println ( 1 + Math . abs ( y + x ) ) ;
  }
  else if ( x > 0 && y > 0 ) {
    if ( Math . abs ( x ) <= Math . abs ( y ) ) {
      System . out . println ( Math . abs ( y - x ) ) ;
    }
    else {
      System . out . println ( 2 + Math . abs ( y - x ) ) ;
    }
  }
  if ( x == 0 && y == 0 ) {
    System . out . println ( 0 ) ;
  }
  else if ( x == 0 && y > 0 ) {
    System . out . println ( y ) ;
  }
  else if ( x == 0 && y < 0 ) {
    System . out . println ( - y + 1 ) ;
  }
  else if ( x > 0 && y == 0 ) {
    System . out . println ( x + 1 ) ;
  }
  else if ( x < 0 && y == 0 ) {
    System . out . println ( - x ) ;
  }
}

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