import java.util.Scanner;

public class Pet {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int daysCount=Integer.parseInt(scanner.nextLine());
        double totalFoodQuantity=Double.parseDouble(scanner.nextLine());
        double biscuitsCountTotal=0;
        double totalFoodEaten=0;
        double dogPercent=0;
        double catPercent=0;

        double dogAteTotal = 0;
        double catAteTotal = 0;

        for (int i=1; i<=daysCount;i++){
            double biscuitsCount = 0;
            double dogAte=Double.parseDouble(scanner.nextLine());
            double catAte=Double.parseDouble(scanner.nextLine());

            if (i%3==0){
                biscuitsCount=0.1*(dogAte+catAte);
                biscuitsCountTotal += biscuitsCount;
            }

            totalFoodEaten=totalFoodEaten+dogAte+catAte;
            dogAteTotal += dogAte;
            catAteTotal += catAte;

        }

        double percentFood=(totalFoodEaten/totalFoodQuantity) * 100;

        dogPercent=(dogAteTotal/totalFoodEaten) * 100;
        catPercent=(catAteTotal/totalFoodEaten) * 100;

        System.out.printf("Total eaten biscuits: %dgr.\n", Math.round(biscuitsCountTotal));
        System.out.printf("%.2f%% of the food has been eaten.\n",percentFood);
        System.out.printf("%.2f%% eaten from the dog.\n", dogPercent);
        System.out.printf("%.2f%% eaten from the cat.\n", catPercent);
    }
}