Programming Fundamentals Data Types Elevator

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

namespace Exact_Sum_of_Real_Numbers
{
    class Exact_Sum_of_Real_Numbers
    {
        static void Main(string[] args)
        {

            int n = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());
            int courses = 0;
            int people = 0;
            courses = (int)Math.Ceiling((double)n / b);

            Console.WriteLine(courses);
            Console.ReadLine();



        }
    }
}
//https://softuni.bg/trainings/resources/officedocument/11848/lab-problem-descriptions-programming-fundamentals-january-2017