using System;

public class Program

{

    public static void Main()

    {

        if(KeyIsThere(out string myKey)) {

            Console.WriteLine($"I found {myKey}");

        }

        else 

            Console.WriteLine("no show");

    }

    public static bool KeyIsThere(out string key) {

        key = "123546";

        return true;

    }

}