using System;

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

            double musalaGroup = 0;
            double monblanGroup = 0;
            double klimandjaroGroup = 0;
            double K2Group = 0;
            double Everest = 0;


            for (int i = 0; i < group; i++)
            {
                int people = int.Parse(Console.ReadLine());

                switch ()

            }

        }
    }
}