Program that returns digits whose name is shorter than their value.

 public void DNF() 
    { 
        string[] digitDNF = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; 
      
        var shortDNF = digitDNF.Where((digit, index) => digit.Length < index); 
      
        Console.WriteLine("Short DNF digits:"); 
        foreach (var x in shortDNF ) 
        { 
            Console.WriteLine("The word {0} is shorter than its value.", x); 
        } 
    }