Bonus Score

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BonusScore
{
    class BonusScore
    {
        static void Main(string[] args)
        {
            var number = int.Parse(Console.ReadLine());
            var bonusscore = 0.0;
            if (number <= 100)
            {
                bonusscore += 5;
            }
            else if (number <= 1000)
            {
                bonusscore = bonusscore + (number * 0.2 );
            }
            else if (number > 1000)
            {
                bonusscore = bonusscore + (number * 0.1);
            }

            if (number % 2 == 0)
            {
                bonusscore += 1;
            }
            else if (number % 10 == 5)
            {
                bonusscore += 2;
            }
            Console.WriteLine(bonusscore);
            Console.WriteLine(number + bonusscore);
        }
    }
}