public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int dexA = - 1 ;
  int dexB = - 1 ;
  int count = 0 ;
  boolean hit = false ;
  int temp = sc . nextInt ( ) ;
  int [ ] arr = new int [ n ] ;
  arr [ 0 ] = temp ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    int num = sc . nextInt ( ) ;
    arr [ i ] = num ;
    if ( temp >= num ) {
      if ( ! hit ) {
        count ++ ;
        dexA = i - 1 ;
        hit = true ;
      }
    }
    else {
      if ( hit ) {
        hit = false ;
        dexB = i - 1 ;
      }
    }
    temp = num ;
  }
  if ( dexB == - 1 ) dexB = n - 1 ;
  if ( count == 0 ) {
    System . out . println ( "yes" ) ;
    System . out . println ( 1 + " " + 1 ) ;
  }
  else {
    if ( count > 1 ) {
      System . out . println ( "no" ) ;
    }
    else {
      Arrays . sort ( arr , dexA , dexB + 1 ) ;
      boolean k = false ;
      for ( int i = 0 ;
      i < n - 1 ;
      i ++ ) {
        if ( arr [ i ] > arr [ i + 1 ] ) {
          System . out . println ( "no" ) ;
          k = true ;
          break ;
        }
      }
      if ( ! k ) {
        System . out . println ( "yes" ) ;
        dexA ++ ;
        dexB ++ ;
        System . out . println ( dexA + " " + dexB ) ;
      }
    }
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int dexA = - 1 ; int dexB = - 1 ; int count = 0 ; boolean hit = false ; int temp = sc . nextInt ( ) ; int [ ] arr = new int [ n ] ; arr [ 0 ] = temp ; for ( int i = 1 ; i < n ; i ++ ) { int num = sc . nextInt ( ) ; arr [ i ] = num ; if ( temp >= num ) { if ( ! hit ) { count ++ ; dexA = i - 1 ; hit = true ; } } else { if ( hit ) { hit = false ; dexB = i - 1 ; } } temp = num ; } if ( dexB == - 1 ) dexB = n - 1 ; if ( count == 0 ) { System . out . println ( " yes " ) ; System . out . println ( 1 + " ▁ " + 1 ) ; } else { if ( count > 1 ) { System . out . println ( " no " ) ; } else { Arrays . sort ( arr , dexA , dexB + 1 ) ; boolean k = false ; for ( int i = 0 ; i < n - 1 ; i ++ ) { if ( arr [ i ] > arr [ i + 1 ] ) { System . out . println ( " no " ) ; k = true ; break ; } } if ( ! k ) { System . out . println ( " yes " ) ; dexA ++ ; dexB ++ ; System . out . println ( dexA + " ▁ " + dexB ) ; } } } }
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(local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (false))) (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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (identifier))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: 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