import java.util.Scanner;

public class Choreography {
    public static void main(String[] args) {
        Scanner scn = new Scanner(System.in);
        double stepNumber=Double.parseDouble(scn.nextLine());
        double dancersNumber=Double.parseDouble(scn.nextLine());
        double daysNumber=Double.parseDouble(scn.nextLine());

        double stepsPerDay=((stepNumber/daysNumber)/stepNumber)*100;
        double result=Math.ceil(stepsPerDay);
        result =result/dancersNumber;

        if(stepsPerDay<13)
            System.out.printf("Yes, they will succeed in that goal! %.2f%c.",result,'\u0025');
        else
            System.out.printf("No, They will not succeed in that goal! Required %.2f%c steps to be learned per day.",result,'\u0025');
        scn.close();

    }
}