movie day

using System;

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

            double preparation = time * 0.15;
            int scene = scenes * duration;
            double needTime = preparation + scene;

            if (time >= needTime)
            {
                Console.WriteLine($"You managed to finish the movie on time! You have {Math.Round(time-needTime)} minutes left!");
            }
            else
            {
                Console.WriteLine($"Time is up! To complete the movie you need {needTime-time} minutes.");
            }
        }
    }
}