02. Movie Day

using System;
using System.Threading;

class Program
{
    static void Main()
    {
        int goalShootingTime = int.Parse(Console.ReadLine());
        int numOfShots = int.Parse(Console.ReadLine());
        int timeForOneShot = int.Parse(Console.ReadLine());

        double preparation = goalShootingTime * 0.15;
        double totalTimeForShooting = numOfShots * timeForOneShot;

        double totalTime = preparation + totalTimeForShooting;

        double difference = Math.Abs(goalShootingTime - totalTime);

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

    }

}