1. function exam(examHoursIn, examMinsIn, arrHoursIn, arrMinsIn){
2.     let examHours = Number(examHoursIn);
3.     let examMins = Number(examMinsIn);
4.     let arrHours = Number(arrHoursIn);
5.     let arrMins = Number(arrMinsIn);
6.  
7.     let examTime = examHours * 60 + examMins; // prevrushtame v minuti
8.     let arrTime = arrHours * 60 + arrMins; // prevrushtame v minuti
9.  
10.     let diff = examTime - arrTime; // namirame razlikata za zakusnqvame li ili navreme ili podranqvame
11.  
12.     if (diff < 0) {
13.         console.log("Late");
14.        
15.         if (diff > -60) {
16.             console.log(`${Math.abs(diff)} minutes after the start`);
17.         } else {
18.             let hours = Math.floor(Math.abs(diff / 60));
19.             let mins = Math.abs(diff % 60);
20.  
21.             if (mins < 10) {
22.                 console.log(`${hours}:0${mins} hours after the start`);    
23.             } else {
24.                 console.log(`${hours}:${mins} hours before the start`);
25.             }
26.         }
27.     } else if(diff <= 30){
28.         console.log("On time");
29.  
30.         if (diff > 0){
31.             console.log(`${diff} minutes before the start`)
32.         }
33.     } else {
34.         console.log("Early");
35.     }
36.  
37.     if (diff < 60) {
38.         console.log(`${diff} minutes before the start`)
39.     } else {
40.         let hours = Math.floor(diff / 60);
41.         let mins = diff % 60;
42.  
43.         if (mins < 10) {
44.             console.log(`${hours}:0${mins} hours before the start`);    
45.         } else {
46.             console.log(`${hours}:${mins} hours before the start`);
47.         }
48.     }
49.  
50. }
51.  
52. exam("9",
53. "00",
54. "10",
55. "30")
56.  
57.  
58.  
59.  
60.  
61.  
62.