import java.util.Scanner;

public class examTime {
    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 arrivalHour = Integer.parseInt(scanner.nextLine());
        int arrivalMin = Integer.parseInt(scanner.nextLine());
//late
        if(examHour<arrivalHour && examMin<arrivalMin){
            if((arrivalMin-examMin)<10){
                System.out.println("Late");
                System.out.println((arrivalHour-examHour)+":0"+(arrivalMin-examMin)+" hours after the start");
            }
            else{
                System.out.println("Late");
                System.out.println((arrivalHour-examHour)+":"+(arrivalMin-examMin)+" hours after the start");
            }
        }
        else if(examHour==arrivalHour && arrivalMin>examMin){
            System.out.println("Late");
            System.out.println((arrivalMin-examMin)+" minutes after the start");
        }
        else if (examHour+1==arrivalHour && arrivalMin<examMin){
            System.out.println("Late");
            System.out.println((arrivalMin-examMin+60)+" minutes after the start");
        }
        else if (examHour<arrivalHour && arrivalMin<examMin){
            if(arrivalMin-examMin+60<10){
                System.out.println("Late");
                System.out.println((arrivalHour-examHour-1)+":"+(arrivalMin-examMin+60)+" hours after the start");
            }
            else{
                System.out.println("Late");
                System.out.println((arrivalHour-examHour-1)+":0"+(arrivalMin-examMin+60)+" hours after the start");
            }
        }

//on time
        else if(examHour==arrivalHour && arrivalMin==examMin){
            System.out.println("On time");
        }
        else if(examHour==1+arrivalHour && (examMin-arrivalMin+60)<=30){
            System.out.println("On time");
            System.out.println((examMin-arrivalMin+60)+" minutes before the start");
        }
        else if(examHour==arrivalHour && (examMin-arrivalMin<=30)){
            System.out.println("On time");
            System.out.println((examMin-arrivalMin)+" minutes before the start");
        }
//early
        else if(examHour>arrivalHour && examMin>arrivalMin){
            if(examMin-arrivalMin<10){
                System.out.println("Early");
                System.out.println((examHour-arrivalHour)+":0"+(examMin-arrivalMin)+" hours before the start");
            }
            else{
                System.out.println("Early");
                System.out.println((examHour-arrivalHour)+":"+(examMin-arrivalMin)+" hours before the start");
            }
        }
        else if(examHour==1+arrivalHour && arrivalMin>examMin){
            System.out.println("Early");
            System.out.println((examMin-arrivalMin+60)+" minutes before the start");
        }
        else if(examHour>arrivalHour && arrivalMin>examMin){
            System.out.println("Early");
            System.out.println((examHour-arrivalHour-1)+":"+(examMin-arrivalMin+60)+" hours before the start");
        }
        else if(examHour>arrivalHour && examMin==arrivalMin){
            System.out.println("Early");
            System.out.println((examHour-arrivalHour)+":00"+" hours before the start");
        }
        else if(examHour==arrivalHour && examMin>arrivalMin+30){
            System.out.println("Early");
            System.out.println((examMin-arrivalMin)+" minutes before the start");
        }
    }
}