import java.util.Scanner;

public class OnTImeForExam {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int examHour = Integer.parseInt(scanner.nextLine());
        int examMin = Integer.parseInt(scanner.nextLine());
        int arriveHour = Integer.parseInt(scanner.nextLine());
        int arriveMin = Integer.parseInt(scanner.nextLine());

        int examMinTotal = examHour * 60 + examMin;
        int arriveMinTotal = arriveHour * 60 + arriveMin;
        int minEarlyLate = Math.abs(arriveMinTotal - examMinTotal);
        int hour = minEarlyLate / 60;
        int min = minEarlyLate % 60;

        if (examMinTotal == arriveMinTotal) {
            System.out.println("On time");
        } else if (arriveHour >= examHour) {
            System.out.println("Late");
            if (minEarlyLate >= 60) {
                System.out.printf("%d:%02d hours after the start", hour, min);
            } else {
                System.out.printf("%d minutes after the start", min);
            }
        } else if ((examMinTotal - arriveMinTotal) <= 30) {
            System.out.println("On time");
            System.out.printf("%d minutes before the start", min);
        } else if ((examMinTotal - arriveMinTotal) > 30) {
            System.out.println("Early");
            if (minEarlyLate >= 60) {
                System.out.printf("%d:%02d hours before the start", hour, min);
            } else {
                System.out.printf("%d minutes before the start", min);
            }
        }
    }
}