Trekking mania

import java.util.Scanner;

public class JavaBasics {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int groups = Integer.parseInt(scan.nextLine());
        int musala = 0;
        int monblan = 0;
        int kilimandjaro = 0;
        int k2 = 0;
        int everest = 0;
        double total = 0;
        for (int i = 0; i < groups; i++) {
            int people = Integer.parseInt(scan.nextLine());
            if (people <= 5) {
                musala += people;
            } else if (people <= 16) {
                monblan += people;
            } else if (people <= 25) {
                kilimandjaro += people;
            } else if (people <= 40) {
                k2 += people;
            } else {
                everest += people;
            }
            total+=people;
        }
        System.out.printf("%.2f%%%n",(musala/total)*100);
        System.out.printf("%.2f%%%n",(monblan/total)*100);
        System.out.printf("%.2f%%%n",(kilimandjaro/total)*100);
        System.out.printf("%.2f%%%n",(k2/total)*100);
        System.out.printf("%.2f%%%n",(everest/total)*100);

    }
}