public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  Map < Integer , Integer > map = new TreeMap ( ) ;
  int a = sc . nextInt ( ) ;
  int b = sc . nextInt ( ) ;
  int c = sc . nextInt ( ) ;
  int d = sc . nextInt ( ) ;
  for ( int i = 0 ;
  i < d ;
  i ++ ) map . put ( sc . nextInt ( ) , 1 ) ;
  System . out . println ( map . size ( ) == d && map . containsKey ( b ) == false && map . containsKey ( c ) == false ? "YES" : "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; Map < Integer , Integer > map = new TreeMap ( ) ; int a = sc . nextInt ( ) ; int b = sc . nextInt ( ) ; int c = sc . nextInt ( ) ; int d = sc . nextInt ( ) ; for ( int i = 0 ; i < d ; i ++ ) map . put ( sc . nextInt ( ) , 1 ) ; System . out . println ( map . size ( ) == d && map . containsKey ( b ) == false && map . containsKey ( c ) == false ? " YES " : " 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: (generic_type (type_identifier) (type_arguments (type_identifier) (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_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: (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) (decimal_integer_literal))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (binary_expression left: (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (identifier)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (false))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (false))) consequence: (string_literal) alternative: (string_literal)))))))