import java.util.Scanner;

public class Problem2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int steps =      Integer.parseInt(sc.nextLine());
        int dancers =    Integer.parseInt(sc.nextLine());
        int daysToLearn =Integer.parseInt(sc.nextLine());

        double stepsPerDayPercent = (steps/daysToLearn);
        double Percent =(stepsPerDayPercent / steps) * 100;
        double rounded = Math.ceil(Percent);
        double percentDancer = rounded /dancers;

        if (rounded <= 13) {
            System.out.printf("%s %.2f%s", "Yes, they will succeed in that goal!",percentDancer,"%.");
        }

        else if (rounded>13) {
            System.out.printf("%s %.2f%s %s", "No, They will not succeed in that goal! Required",percentDancer, "%",
                    "steps to be learned per day.");
        }

//        System.out.println(stepsPerDayPercent);

    }
}