using System;

public class Program

{

    public static void Main()

    {

        var draws = 500;

        var countA = 0;

        var countB = 0;

        var random = new Random();

        for(var i = 0; i < draws; i++) {    

            var drawValue = random.NextDouble();

            Console.WriteLine("DrawValue = " + drawValue);

            if(drawValue < 0.5) {

                countA++;

            } else {

                countB++;

            }

        }

        var percentA = countA * 100 / draws;

        var percentB = countB *100 / draws;

        Console.WriteLine("Method 1: {0} A ({1}%) - {2} B ({3}%)", countA, percentA, countB, percentB);

    }

}