1    let score1 = prompt("First score?");
2    let score2 = prompt("Second score?");
3    let score3 = prompt("Third score?");
4    score1 = parseInt(score1);
5    score2 = parseInt(score2);
6    score3 = parseInt(score3);
7    let sum = score1 + score2 + score3;
8    alert("The sum is " + sum);
9    let average = sum / 3;
10   alert("Your average is " + average);
11   
12   if (average >= 100)
13   {
14     alert("You got bonus points!");
15   }
16   else if (average === 100)
17   {
18     alert("That’s perfect!");
19   }
20   else if (average >= 90)
21   {
22     alert("Wow! Great job!");
23   }
24   else if (average >= 80)
25   {
26     alert("Nice work!");
27   }
28   else if (average >= 70)
29   {
30     alert("Good job!");
31   }
32   else if (average >= 65)
33   {
34     alert("You passes!");
35   }
36   else if (average >= 55)
37   {
38     alert("You’re really close!");
39   }
40   else
41   {
42     alert("You didn’t pass. Keep studying.");
43   }
44