using System;

public class Program

{

    public static void Main()

    {

        string[] tests = {":unselected:", "8 :unselected: :unselected:", "7 :selected:"};

        foreach ( var s in tests)

        {

            Console.WriteLine(s);

            var ok = s.Split(" ")[0];

            Console.WriteLine(ok);

        }

    }

}