using System;

namespace Fitness_Center
{
    class Program
    {
        static void Main(string[] args)
        {
            int visitors = int.Parse(Console.ReadLine());
            string activity = Console.ReadLine();
            int totalTraining = 0;


            int back = 0;
            int chest = 0;
            int legs = 0;
            int abs = 0;
            int proteinShake = 0;
            int proteinBar = 0;
            int workout = 0;
            int protein = 0;

            for (int i = 1; i <= visitors; i++)
            {
                activity = Console.ReadLine();
                if (activity == "Back")
                {
                    back++;
                    totalTraining++;
                }
                if (activity == "Chest")
                {
                    chest++;
                    totalTraining++;
                }
                if (activity == "Legs")
                {
                    legs++;
                    totalTraining++;
                }
                if (activity == "Abs")
                {
                    abs++;
                    totalTraining++;
                }
                if (activity == "Protein shake")
                {
                    proteinShake++;

                }
                if (activity == "Protein bar")
                {
                    proteinBar++;

                }
                if (activity == "Work out")
                {
                    workout += workout;

                }
                if (activity == "Protein")
                {
                    protein++;

                }
            }
            double percent = (totalTraining *  1.0 / visitors) * 100;
            double percentPerProtein = (protein * 1.0 / visitors) * 100;



            Console.WriteLine($"{back} - back");
            Console.WriteLine($"{chest} - chest");
            Console.WriteLine($"{legs} - legs");
            Console.WriteLine($"{abs} - abs");
            Console.WriteLine($"{proteinShake} - protein shake");
            Console.WriteLine($"{proteinBar} - protein bar");
            Console.WriteLine($"{percent:f2}% - work out");
            Console.WriteLine($"{percentPerProtein:f2}% - protein");

        }
    }
}