My Retake Mid Exam 17/08/2021 Problem 1

using System;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection.Metadata.Ecma335;
using System.Runtime.ExceptionServices;
using System.Threading;
using System.Text.RegularExpressions;

namespace ConsoleApp24
{
    class Program
    {
        static void Main(string[] args)
        {
            int days = int.Parse(Console.ReadLine());
            int playerCount = int.Parse(Console.ReadLine());
            double HP = double.Parse(Console.ReadLine());
            double waterPerPerson = double.Parse(Console.ReadLine());
            double foodPerPerson = double.Parse(Console.ReadLine());
            double totalWater = waterPerPerson * playerCount*days;
            double totalFood = foodPerPerson * playerCount*days;


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

                HP -= HPloss;

                if (HP <= 0)
                {
                    break;
                }

                if (i % 2 == 0 && i >= 2)
                {
                    HP *= 1.05;
                    totalWater *= 0.7;
                }

                if (i % 3 == 0 && i >= 3)
                {
                    totalFood -= ((double)totalFood / playerCount);
                    HP *= 1.1;
                }
            }

            if (HP > 0)
            {
                Console.WriteLine($"You are ready for the quest. You will be left with - {HP:f2} energy!");
            }
            else
            {
                Console.WriteLine($"You will run out of energy. You will be left with {totalFood:f2} food and {totalWater:f2} water.");
            }
        }
    }
}