import java.util.Scanner;

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

        int miutesKontrol = Integer.parseInt(scanner.nextLine());
        int secondsKontrol = Integer.parseInt(scanner.nextLine());
        double length = Double.parseDouble(scanner.nextLine());
        int secondsperhundret = Integer.parseInt(scanner.nextLine());

        int finalKontrol = miutesKontrol * 60 + secondsKontrol;

        double spaceMinus = length / 120;
        double minusTime = spaceMinus * 2.5;

        double marinstime = (length / 100) * secondsperhundret - minusTime;

        if (marinstime <= finalKontrol){
            System.out.printf("Marin Bangiev won an Olympic quota!%n");
            System.out.printf("His time is %.3f.", marinstime);
        }else {
            System.out.printf("No, Marin failed! He was %.3f second slower.", Math.abs(finalKontrol - marinstime));
        }


    }
}