using System;

using System.Collections.Generic;

using System.Linq;

public class test {

    public string Adam;

}

public class Program

{

    public static void Main()

    {

        var x = new List<test>();

        x.Add(new test{Adam="adam"});

        x.First(y =>  y.Adam=="addam");

        Console.WriteLine("Hello World");

    }

}