using System;

public  class Program

{

    public static void Main()

    {int c;

        string a ="i am";

        for(int i=0;i<a.Length;i++)

        {

            if(a[i]==' ')

            {

             c++;

            }

            Console.WriteLine("space: "+c);

            Console.WriteLine("word: "+c);

            Console.ReadLine();

        }

    }

    }

​

​