Разход на енергия; Energy Loss

using System;

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

            double energie = 100;
            double dancersEne = 0;

            for (int i = 1; i <= days; i++)
            {
                var count = double.Parse(Console.ReadLine());

                if (i % 2 == 0)    // even
                {

                    if (count % 2 == 0)   // even
                    {
                        dancersEne = dancersEne + dancers * 68;

                    }
                    else    // odd
                    {
                        dancersEne = dancersEne + dancers * 65;

                    }
                }
                else    // odd
                {
                    if (count % 2 == 0)   // even
                    {
                        dancersEne = dancersEne + dancers * 49;

                    }
                    else    // odd
                    {
                        dancersEne = dancersEne + dancers * 30;

                    }
                }
            }
            var allEnergie = energie * dancers;
            var allDancersEnergie = allEnergie * days;

            var notUsedEnergie = allDancersEnergie - dancersEne;
            var notUsedEnergiePerDancer = notUsedEnergie / dancers / days;

            if (notUsedEnergiePerDancer < 50)
            {
                Console.WriteLine($"They are wasted! Energy left: {notUsedEnergiePerDancer:f2}");
            }
            else
            {
                Console.WriteLine($"They feel good! Energy left: {notUsedEnergiePerDancer:f2}");
            }
        }
    }
}