On Time for the Exam

function result(examHour, examMinute, arriveHour, arriveMinute) {
  examHour = Number(examHour);
  examMinute = Number(examMinute);
  arriveHour = Number(arriveHour);
  arriveMinute = Number(arriveMinute);
  let examTime = examHour*60 + examMinute;
  let arriveTime = arriveHour*60 + arriveMinute;



  if(examTime > arriveTime){
    let hoursEarly = examTime - arriveTime;
    let minutesEarly = (examTime - arriveTime) % 60;
    if (hoursEarly < 60){
      if(minutesEarly <= 30){
        console.log("On time")
        console.log(`${minutesEarly} minutes before the start`)
      }
      else{
        console.log("Early")
        console.log(`${minutesEarly} minutes before the start`)
      }

    }
    else if (hoursEarly >= 60){
      console.log("Early")
      if(minutesEarly < 10){
        console.log(`${examHour - arriveHour}:0${minutesEarly} hours before the start`)
      }
      else{
        console.log(`${examHour - arriveHour}:${minutesEarly} hours before the start`)
      }
    }
  }
  else if(examTime < arriveTime){
    console.log("Late")
    let hoursLate = arriveTime - examTime;
    let minutesLate = (arriveTime - examTime) % 60;
    if (hoursLate < 60){
        console.log(`${minutesLate} minutes after the start`)
    }
    else if (hoursLate >= 60){
      if(minutesLate < 10){
        console.log(`${arriveHour - examHour}:0${minutesLate} hours after the start`)
      }
      else{
        console.log(`${arriveHour - examHour}:${minutesLate} hours after the start`)
      }
    }
  }
  else{
    console.log("On time");
  }
}