Logistic

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _04.Logistics
{
    class Program
    {
        static void Main(string[] args)
        {
            int transports = int.Parse(Console.ReadLine());

            double microbus = 0.0;
            double truck = 0.0;
            double train = 0.0;
            double sumTons = 0.0;

            double tonsMicrobus = 0.0;
            double tonsTruck = 0.0;
            double tonsTrain = 0.0;
            double avarageTons = 0.0;

            for (int i = 1; i <= transports; i++)
            {
                int tons = int.Parse(Console.ReadLine());

                if (tons <= 3)
                {
                    microbus = tons * 200;
                    tonsMicrobus += tons;
                }
                else if (tons >= 4 && tons <= 11)
                {
                    truck = tons * 175;
                    tonsTruck += tons;
                }
                else
                {
                    train = tons * 120;
                    tonsTrain += tons;
                }
            }
            sumTons = tonsTrain + tonsMicrobus + tonsTruck;
            avarageTons = (microbus + truck + train) / sumTons;

            double microbusPerCent = (tonsMicrobus / sumTons) * 100;
            double truckPerCent = (tonsTruck / sumTons) * 100;
            double trainPerCent = (tonsTrain / sumTons) * 100;

            Console.WriteLine($"{avarageTons:f2}");
            Console.WriteLine($"{microbusPerCent:f2}%");
            Console.WriteLine($"{truckPerCent:f2}%");
            Console.WriteLine($"{trainPerCent:f2}%");

        }
    }
}