using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<bool> bools = new List<bool> { true, false, true, true, false };

        bools.Skip(1);

        Console.WriteLine(bools.Aggregate(string.Empty, (current, next) => current.ToString() + next.ToString()));

    }

}