using System;

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

            double cookie = 0;
            int sumAllFoodEaten = 0;
            int  sumcatFood = 0;
            int  sumdogFood = 0;
            for (int day = 1; day <= days; day++)
            {
                int dogFood = int.Parse(Console.ReadLine());
                int catFood = int.Parse(Console.ReadLine());

                if (day % 3 == 0)
                {
                    int sum = dogFood + catFood;
                    double percentageCookie = sum * 0.1;
                    cookie = percentageCookie;
                }
                sumcatFood += catFood;
                sumdogFood += dogFood;
                sumAllFoodEaten = sumcatFood + sumdogFood;

            }
            double percentageAllFood = (sumAllFoodEaten / food) * 100;
            double percentageDogFood = (sumdogFood * 1.0 / sumAllFoodEaten) * 100;
            double percentageCatFood = (sumcatFood * 1.0 / sumAllFoodEaten) * 100;
            Console.WriteLine($"Total eaten biscuits: {Math.Round(cookie)}gr.");
            Console.WriteLine($"{percentageAllFood:f2}% of the food has been eaten.");
            Console.WriteLine($"{percentageDogFood:f2}% eaten from the dog.");
            Console.WriteLine($"{percentageCatFood:f2}% eaten from the cat.");



        }
    }
}