import java.util.*;

class UserLog{
    private int id[];
    private String loginTime[], loginDate[], logoutTime[], logoutDate[];
    int duration[], maxIndex;
    private static int month[]={31,28,31,30,31,30,31,31,30,31,30,31};
    public UserLog(int id[],String loginTime[], String loginDate[], String logoutTime[],String logoutDate[]){
        this.id=id;
        this.loginTime=loginTime;
        this.loginDate=loginDate;
        this.logoutTime=logoutTime;
        this.logoutDate=logoutDate;
        duration = new int[id.length];
        process();
    }
    private void process(){
        String temp[];
        int hr, min, dd,mm,finalMinutes, initialMinutes, delta, maxDelta=0;
        for( int i=0; i<id.length; i++){
            temp = loginTime[i].split(":");
            hr=Integer.parseInt(temp[0]);
            min=Integer.parseInt(temp[1]);

            temp = loginDate[i].split("-");
            dd=Integer.parseInt(temp[0]);
            mm=Integer.parseInt(temp[1]);

            initialMinutes = getMinutes(dd, mm, hr, min);

            temp = logoutTime[i].split(":");
            hr=Integer.parseInt(temp[0]);
            min=Integer.parseInt(temp[1]);

            temp = logoutDate[i].split("-");
            dd=Integer.parseInt(temp[0]);
            mm=Integer.parseInt(temp[1]);

            finalMinutes = getMinutes(dd, mm, hr, min);
            delta = finalMinutes-initialMinutes;
            duration[i]=delta;
            if(delta>maxDelta){
                maxDelta=delta;
                maxIndex=i;
            }

        }
    }
    private static int getMinutes(int dd, int mm, int hr, int min){
        int days=dd;
        for( int i=0; i<mm-1;i++){
            days+=month[i];
        }
        return (days*24*60)+(hr*60)+min;
    }
    public String toString(){
        String output="";
        output+="USER\t\tLOGIN\t\tLOGOUT\tDURATION\n";
        output+="IDENTIFICATION\tTIME & DATE\tTIME & DATE\tHOURS:MINS\n";
        for( int i=0; i<id.length;i++){
            output+=id[i]+"\t\t"+loginTime[i]+" "+loginDate[i]+"\t"+logoutTime[i]+" "+logoutDate[i]+"\t"+formatTime(duration[i])+"\n";
        }
        output+="THE USER WHO LOGGED IN FOR THE LONGEST DURATION\n";
        output+=id[maxIndex]+"\t\t"+loginTime[maxIndex]+" "+loginDate[maxIndex]+"\t"+logoutTime[maxIndex]+" "+logoutDate[maxIndex]+"\t"+formatTime(duration[maxIndex])+"\n";
        return output;
    }
    private String formatTime(int minutes){
        int hr=minutes/60;
        int min = minutes%60;
        return hr+":"+min+(min<10?"0":"");
    }
}
public class ISC2004Q3 {
    public static void main(String[] args) {
        Scanner in = new Scanner( System.in );
        System.out.println("INPUT:");
        System.out.print("Number of users: ");
        int users = in.nextInt();
        int id[] = new int[users];
        String loginTime[] = new String[users];
        String loginDate[] = new String[users];
        String logoutTime[] = new String[users];
        String logoutDate[] = new String[users];
        System.out.println("USER\t\tLOGIN\t\tLOGOUT");
        System.out.println("IDENTIFICATION\tTIME & DATE\tTIME & DATE");
        for( int user=0; user<users; user++){
            id[user] = in.nextInt();
            loginTime[user] = in.next();
            loginDate[user] = in.next();
            logoutTime[user] = in.next();
            logoutDate[user] = in.next();
        }
        UserLog log = new UserLog(id, loginTime, loginDate,logoutTime,logoutDate);
    
        System.out.println("OUTPUT:\n"+log);


        in.close();
    }
}