distance calculator

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Threading;

namespace ConsoleApp1
{
    class Exam
    {
        static void Main(string[] args)
        {
            double steps = double.Parse(Console.ReadLine());
            double lenghtSteps = double.Parse(Console.ReadLine());
            double distance = double.Parse(Console.ReadLine());

            double sumSteps = 0;

            for (int i = 1; i <= steps; i++)
            {
                if (i % 5 == 0)
                {
                    sumSteps += lenghtSteps * 0.70;
                }
                else
                {
                    sumSteps += lenghtSteps;
                }
            }

            sumSteps /= 100;
            double percentage = sumSteps / distance * 100.0;

            Console.WriteLine($"You travelled {percentage:f2}% of the distance!");
        }
    }
}