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

namespace Choreography
{
    class Program
    {
        static void Main(string[] args)
        {
            int speed = int.Parse(Console.ReadLine());
            int dancer = int.Parse(Console.ReadLine());
            int DayOfStudy = int.Parse(Console.ReadLine());

            double Pspeed = (speed / DayOfStudy) / speed;
            double Pdancer = Pspeed / dancer;

            if (Pspeed<=13)
            {
                Console.WriteLine("Yes, they will secceed in that goal! {0:f0} %", Pspeed);
            }
            else
            {
                Console.WriteLine("No, they will not succeed in that goal! Required {0:f0} % steps to be learned per day.", Pdancer);
            }
        }
    }
}