04

using System;

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

            int smallCats = 0;
            int mediumCats = 0;
            int bigCats = 0;

            double foodSum = 0;

            for (int i = 0; i < catsCount; i++)
            {
                int currFood = int.Parse(Console.ReadLine());
                foodSum += currFood;
                if (currFood >= 100 && currFood < 200)
                {
                    smallCats++;
                }
                else if(currFood >= 200 && currFood < 300)
                {
                    mediumCats++;
                }
                else if(currFood >= 300 && currFood < 400)
                {
                    bigCats++;
                }
            }

            foodSum /= 1000;
            double priceSum = foodSum * 12.45;

            Console.WriteLine($"Group 1: {smallCats} cats.");
            Console.WriteLine($"Group 2: {mediumCats} cats.");
            Console.WriteLine($"Group 3: {bigCats} cats.");
            Console.WriteLine($"Price for food per day: {priceSum:f2} lv.");
        }
    }
}