[EXAM PREP] Bricks

using System;
class Program
{
    static void Main()
    {
        int x = int.Parse(Console.ReadLine());
        int w = int.Parse(Console.ReadLine());
        int m = int.Parse(Console.ReadLine());
        int bricksInCourse =   (m * w);
        double totalCourses = Math.Ceiling((double)x / bricksInCourse);
        Console.WriteLine(totalCourses);
        Console.ReadLine();
    }
}