public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n , x , y ;
  n = sc . nextInt ( ) ;
  x = sc . nextInt ( ) ;
  y = sc . nextInt ( ) ;
  boolean ok = true ;
  int row = n / 2 ;
  int col = n / 2 ;
  if ( ( row == x && col == y ) || ( row + 1 == x && col == y ) || ( row == x && col + 1 == y ) || ( row + 1 == x && col + 1 == y ) ) ok = false ;
  if ( ok ) System . out . println ( "YES" ) ;
  else System . out . println ( "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n , x , y ; n = sc . nextInt ( ) ; x = sc . nextInt ( ) ; y = sc . nextInt ( ) ; boolean ok = true ; int row = n / 2 ; int col = n / 2 ; if ( ( row == x && col == y ) || ( row + 1 == x && col == y ) || ( row == x && col + 1 == y ) || ( row + 1 == x && col + 1 == y ) ) ok = false ; if ( ok ) System . out . println ( " YES " ) ; else System . out . println ( " NO " ) ; }
(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)) 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)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (true))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier))))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (identifier))))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (identifier)))))) consequence: (expression_statement (assignment_expression left: (identifier) right: (false)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))