using System;

public class Program

{

    public static void Main()

    { 

        string str;

    int i, wrd,l;

      Console.Write("\n\nCount the total number of words in a string :\n");

      Console.Write("------------------------------------------------------\n");    

      Console.Write("Input the string : ");

      str = Console.ReadLine();

    l = 0;

    wrd = 1;

​

    /* loop till end of string */

    while (l <= str.Length - 1)

    {

        /* check whether the current character is white space or new line or tab character*/

        if(str[l]==' ' || str[l]=='\n' || str[l]=='\t')

        {

            wrd++;

        }

​

        l++;

    }

}

}