using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public static int health;

    public static Dictionary<string, Action<string>> someFunctions = new Dictionary<string, Action<string>>()

    {

        {"add_health", new Action<string>(delegate(string h){ health = int.Parse(h); Console.WriteLine("Health added !");})}

    };

    public static void AddHealth(string i){}

    public static void Main()

    {

        Console.WriteLine(health);

        ExecuteFunctionByName("add_health");

        Console.WriteLine(health);

    }

    public static void ExecuteFunctionByName(string fName)

    {

        try

        {

            someFunctions[fName]("12");

        }catch{

            Console.WriteLine("Wrong command !");

        }

    }

}