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

namespace Logistics
{
    class Logistics
    {
        static void Main(string[] args)
        {
            int loadCount = int.Parse(Console.ReadLine());
            int allLoads = 0;
            double avrPrice = 0;
            int byMinibus = 0;
            int byTruck = 0;
            int byTrain = 0;
            for (int i = 1; i <= loadCount; i++)
            {
                int LoadTonnage = int.Parse(Console.ReadLine());
                allLoads += LoadTonnage;
                if (LoadTonnage < 4)
                {
                    avrPrice += LoadTonnage * 200;
                    byMinibus += LoadTonnage;
                }
                else if (LoadTonnage < 12)
                {
                    avrPrice += LoadTonnage * 175;
                    byTruck += LoadTonnage;
                }
                else
                {
                    avrPrice += LoadTonnage * 120;
                    byTrain += LoadTonnage;
                }
            }
            double avrPerTon = avrPrice / allLoads;
            Console.WriteLine($"{avrPerTon:f2}");
            Console.WriteLine($"{byMinibus * 100.0 / allLoads:f2}%");
            Console.WriteLine($"{byTruck * 100.0 / allLoads:f2}%");
            Console.WriteLine($"{byTrain * 100.0 / allLoads:f2}%");
        }
    }
}