days = int(input())
all_food = float(input())
biscuits = 0
food_dog = 0
food_cat = 0
eaten_food =0
precent_dog = 0
precent_cat = 0
precent_eaten = 0
for day in range (1, days + 1):
    eatfood_dog = int(input())
    eatfood_cat = int(input())
    food_dog += eatfood_dog
    food_cat += eatfood_cat

    if day % 3 == 0:
        biscuits += (eatfood_dog + eatfood_cat) * 0.1

eaten_food = food_dog + food_cat
precent_eaten = eaten_food / all_food * 100
precent_dog = food_dog / eaten_food * 100
precent_cat = food_cat / eaten_food * 100

print(f"Total eaten biscuits: {round(biscuits)}gr.")
print(f"{precent_eaten:.2f}% of the food has been eaten.")
print(f"{precent_dog:.2f}% eaten from the dog.")
print(f"{precent_cat:.2f}% eaten from the cat.")