using System;

public class Test
{
	public static void Main()
	{
		string str = "20.222";
         
         Console.WriteLine(str);
         int index = str.IndexOf('.');
            if (index > -1)
            {
                Console.WriteLine(index);
                Console.WriteLine(str.Length-1);
                char[] ch = str.ToCharArray(index + 1, str.Length - index -1);
                foreach(char c in ch)
                {
                	Console.WriteLine(c);
                }
            }
	}
}