beehive population

using System;

namespace exampreparation
{
    class exam
    {
        static void Main(string[] args)
        {
            int population = int.Parse(Console.ReadLine());
            int years = int.Parse(Console.ReadLine());

            for (int i = 1; i <= years; i++)
            {
                int newBorn = population / 10 * 2;
                population += newBorn;

                if (i % 5 == 0 )
                {
                    int migrated = population / 50 * 5;
                    population -= migrated;
                }

                int dead = population / 20 * 2;
                population -= dead;
            }

            Console.WriteLine($"Beehive population: {population}");
        }
    }
}