Парична награда: Reward

using System;

namespace Footbal
{
    class Program
    {
        static void Main(string[] args)
        {
            var partProject = double.Parse(Console.ReadLine());
            var MoneyReward  = double.Parse(Console.ReadLine());

            double points = 0;

            for (int i = 1; i <= partProject; i++)
            {

                var countPoints = double.Parse(Console.ReadLine());

                if (i % 2 == 0)
                {
                    points = points + (countPoints * 2);
                }
                else
                {
                    points = points + countPoints ;
                }
            }

            var reward = points * MoneyReward;

            Console.WriteLine($"The project prize was {reward:f2} lv.");
        }
    }
}