onTimeForTheExam

function asd(input) {
    let hour =Number (input[0]);
    let minutes = Number(input[1]);
    let ariivalHour = Number(input[2]);
    let arrivalMinute = Number(input[3]);

    let examTime=(hour*60)+minutes
    let ariivalTime=ariivalHour*60+arrivalMinute;

    let hours=0
    let minS=0

    if(ariivalTime>examTime){
        hours=((Math.floor((ariivalTime-examTime)/60))).toFixed()
        minS=(ariivalTime-examTime)-(hours*60)
        console.log('Late')
        if(hours>=1&&minS<10){
            console.log(`${hours}:0${minS} hours after the start`)
        }else if(hours>=1&&minS>=10){
            console.log(`${hours}:${minS} hours after the start`)
        }else if(hours<1){
            console.log(`${minS} minutes after the start`)
        }
    }else if(examTime>=ariivalTime&&examTime-ariivalTime<=30){
        hours=(Math.floor(((examTime-ariivalTime)/60))).toFixed()
        minS=(examTime-ariivalTime)
        console.log("On time")
        if(examTime-ariivalTime>0){
            console.log(`${examTime-ariivalTime} minutes before the start`)
        }
    }else{
        hours=(Math.floor((examTime-ariivalTime)/60)).toFixed()
        minS=(examTime-ariivalTime)-hours*60
        console.log('Early')
        if(hours>=1&&minS<10){
            console.log(`${hours}:0${minS} hours before the start`)
        }else if(hours>=1&&minS>=10){
            console.log(`${hours}:${minS} hours before the start`)
        }else{
            console.log(`${minS} minutes before the start`)
        }
    }


}