using System;

public class Program

{

    public static void Main()

    {

        int space=1;

        Console.WriteLine("Enter the string");

        string str=Console.ReadLine();

        char[] strarray=str.ToCharArray();

        if(str.Length>0)

        {

            foreach(char character in strarray)

            {

                if(character==32)

                {

                    space++;

                }

            }

            Console.WriteLine("Number of words= {0}",space);

        }

        else

            Console.WriteLine("Number of words= 0");

    }

}