Mountain Run

using System;

namespace MountainRun
{
    class Program
    {
        static void Main(string[] args)
        {
            double record = double.Parse(Console.ReadLine());
            double meters = double.Parse(Console.ReadLine());
            double secondPerMeter = double.Parse(Console.ReadLine());

            double sum = meters * secondPerMeter + Math.Floor(meters/50) * 30;
            if (sum < record)
            {
                Console.WriteLine($" Yes! The new record is {sum:F2} seconds.");
            }
            else
            {
                Console.WriteLine($"No! He was {sum - record:F2} seconds slower.");
            }
        }
    }
}