import java.util.Scanner;

public class Task8Choreography {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int steps = Integer.parseInt(scanner.nextLine());
        int dancers = Integer.parseInt(scanner.nextLine());
        int days = Integer.parseInt(scanner.nextLine());

        double percentPerDay = Math.ceil(steps * 1.0 / days) / steps * 100;

        double percentEveryDancer = percentPerDay / dancers;

        if (percentPerDay <= 13) {
            System.out.printf("Yes, they will succeed in that goal! %.2f%%.", percentEveryDancer);
        } else{
            System.out.printf("No, they will not succeed in that goal! Required %.2f%% steps to be learned per day.", percentEveryDancer);
        }






    }
}