using System;

public class Program

{

    public static void Main()

    {

        Random rnd = new Random();

​

        int kakkonen = 0;

        int loopCount = 0;

        while (kakkonen != 2)

        {

            kakkonen = rnd.Next(10000);

            loopCount++;

        }

        Console.WriteLine(loopCount);

    }

}