using System;

public class Program

{

    public delegate void TotalesDelegate(int steps);

    public static TotalesDelegate TotalesCallBack { get; set; } = null;

    public static void Main()

    {

        int a=0;

        TotalesCallBack = steps => a = steps;

        TotalesCallBack(3);

        Console.WriteLine("Valor de a:" + a);

    }

}