Logistics

import java.util.Scanner;

public class Logistic {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int numOfLoads = Integer.parseInt(scanner.nextLine());
        int price1 = 0;
        int price2 = 0;
        int price3 = 0;
        int loads1 = 0;
        int loads2 = 0;
        int loads3 = 0;


        for (int i = 0; i < numOfLoads; i++) {
            int loadWeight = Integer.parseInt(scanner.nextLine());
            if (loadWeight <= 3) {
                loads1 += loadWeight;
                price1 = loads1 * 200;
            }
            if (loadWeight >= 4 && loadWeight <= 11) {
                loads2 += loadWeight;
                price2 = loads2 * 175;
            }
            if (loadWeight >= 12) {
                loads3 += loadWeight;
                price3 = loads3 * 120;
            }
        }
        double allLoads = loads1 + loads2 + loads3;
        double averagePrice = (price1 + price2 + price3) / allLoads;
        double p1 = (loads1 / averagePrice) * 100;
        double p2 = (loads2 / averagePrice) * 100;
        double p3 = (loads3 / averagePrice) * 100;

        System.out.printf("%.2f%n", averagePrice);
        System.out.printf("%.2f%%%n", p1);
        System.out.printf("%.2f%%%n", p2);
        System.out.printf("%.2f%%%n", p3);
    }
}