More than two choices

1import java.util.*;
2 
3public class Main {
4    public static void main(String[] args) {
5        Scanner in = new Scanner(System.in);
6        int marks = in.nextInt();
7        if (marks >= 90) {
8            System.out.println("A");
9        } else if (marks >= 75) {
10            System.out.println("B");
11        } else if (marks >= 40) {
12            System.out.println("C");
13        } else {
14            System.out.println("Fail");
15        }
16    }
17}