import java.util.Scanner;

public class OnTimeForTheExam_09 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int examH = Integer.parseInt(scanner.nextLine());
        int examM = Integer.parseInt(scanner.nextLine());
        int comeH = Integer.parseInt(scanner.nextLine());
        int comeM = Integer.parseInt(scanner.nextLine());
        int examHToM = (examH * 60) + examM;
        int comeHToM = (comeH * 60) + comeM;
        int timeH = 0;
        int timeM = 0;
        if (examHToM > comeHToM && examHToM - 30 >= comeHToM){
            timeH = examHToM / comeHToM;
            timeM = examHToM % comeHToM;
            System.out.printf("On time %n%d minutes before the start", timeM);
        }else if (examHToM - 30 < comeHToM ){
            timeH = examHToM / comeHToM;
            timeM = examHToM % comeHToM;
            if (timeM == 60){
                timeM = 0;
            }
            System.out.printf("Early %n%d:%02d hours before the start", timeH, timeM);
        }else if (examHToM < comeHToM){
            timeH = comeHToM / examHToM;
            timeM = comeHToM % examHToM;
            if (timeH >= 1) {
                System.out.printf("Late %n%d:%0d hours after the start",timeH, timeM);
            }else if (timeH == 0 ){
                System.out.printf("Late %n%0d minutes after the start", timeM);
            }
        }else if (examHToM == comeHToM){
            System.out.printf("On time ");
        }

    }
}