using System;

using System.Collections.Generic;

using System.Linq;

using static System.Console;

public class Program

{

    public static void Main()

    {

    }

}

public static class Ex

{

    public static void ActionChain(this object input, params Action<object> [] actions)

    {

        ((IEnumerable<Action<object>>)actions).ToList().ForEach(action=>action(input));

    }

    public static object FuncChain<IN,OUT>(this object input, params Func<object,object> [] functions)

    {

        object returned=null;

        foreach(var function in functions)

        {

            returned=function(returned ?? input);

        }

        return (OUT)returned;

    }

}