using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace nextExersice
{
    class Program
    {
        static void Main(string[] args)
        {
            double steps = double.Parse(Console.ReadLine());
            double dancers = double.Parse(Console.ReadLine());
            double days = double.Parse(Console.ReadLine());

            double stepsPerDay = Math.Ceiling(((steps / days) / steps) * 100);
            double dancerSteps = stepsPerDay / dancers;

            var output = "";
            if (stepsPerDay <= 13)
            {
                output = $"Yes, they will succeed in that goal! {dancerSteps:F2}%.";
            }
            else
            {
                output = $"No, They will not succeed in that goal! Required {dancerSteps:F2}% steps to be learned per day.";
            }

            Console.WriteLine(output);
        }
    }
}