from math import ceil

days = int(input())
food = float(input())

food_eaten_total = 0
biscuits_eaten_total = 0
food_eaten_dog_total = 0
food_eaten_cat_total = 0

#   Защо ти е това, вместо да ползваш променливата от цикъла за брой дни ?
#   d = 0

for day in range(1, days + 1):
    food_eaten_dog = int(input())
    food_eaten_cat = int(input())
    #   d += 1

    food_eaten_dog_total += food_eaten_dog
    food_eaten_cat_total += food_eaten_cat
    food_eaten_day = food_eaten_dog + food_eaten_cat
    food_eaten_total += food_eaten_day

    if day % 3 == 0:
        #   Нямаш нужда от тази променлива, абсолютно излишно е
        #   biscuits_eaten_day = (food_eaten_day * 0.10)
        biscuits_eaten_total += food_eaten_day * 0.10


percent_eaten_food = (food_eaten_total / food) * 100
percent_eaten_dog = (food_eaten_dog_total / food_eaten_total) * 100
percent_eaten_cat = (food_eaten_cat_total / food_eaten_total) * 100

print(f"Total eaten biscuits: {round(biscuits_eaten_total)}gr.")
print(f"{percent_eaten_food:.2f}% of the food has been eaten.")
print(f"{percent_eaten_dog:.2f}% eaten from the dog.")
print(f"{percent_eaten_cat:.2f}% eaten from the cat.")