5.2 logistika

using System;

public class Program
{
    public static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        double busLoad = 0;
        double trackLoad = 0;
        double trainLoad = 0;
        double loadTotal = 0;
        for(int i = 0; i < n; i++)
        {
            int load = int.Parse(Console.ReadLine());
            if (load <= 3)
            {
                busLoad += load;

            }
            else if(load > 3 && load <= 11)
            {
                trackLoad += load;

            }
            else
            {
                trainLoad += load;

            }
            loadTotal +=load;
        }
        double busP = (busLoad/ loadTotal) * 100;
        double trackP = (trackLoad/ loadTotal) * 100;
        double trainP = (trainLoad/ loadTotal) * 100;
        Console.WriteLine("{0:F2}", (busLoad * 200 + trackLoad * 175 + trainLoad * 120) / loadTotal);
        Console.WriteLine("{0:F2}%",busP);
        Console.WriteLine("{0:F2}%",trackP);
        Console.WriteLine("{0:F2}%",trainP);
    }
}