using System;

public class Program

{

    public static void Main()

    {

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

            string str = Console.ReadLine();

​

            Console.Write("Total number of words in the string is : "+ getNumberOfWords(str));

​

​

            Console.ReadLine();      

​

    }

     private static int getNumberOfWords(string str) {

            string[] arrayChar = str.Split(' ');

            return arrayChar.Length;

        }

}