using System;

namespace Mountain_Run_02
{
    class Program
    {
        static void Main(string[] args)
        {
            double record = double.Parse(Console.ReadLine());
            double length = double.Parse(Console.ReadLine());
            double time = double.Parse(Console.ReadLine());

            double target = length * time;
            double addTime = (length / 50);
            addTime = Math.Floor(addTime);
            addTime = addTime * 30;
            double totalTime = target + addTime;

            if (totalTime<record)
            {
                Console.WriteLine($" Yes! The new record is {totalTime:f2} seconds.");
            }
            else
            {
                Console.WriteLine($"No! He was {totalTime-record:f2} seconds slower.");
            }


        }
    }
}