Food For Pets

days = int(input())
food = float(input())
dog_food = 0
cat_food = 0
cookies = 0

for i in range(1, days + 1):
    dog = float(input())
    cat = float(input())

    if i % 3 == 0:
        cookies += (dog + cat) / 10

    dog_food += dog
    cat_food += cat

eat_food = dog_food + cat_food
print(f"Total eaten biscuits: {round(cookies)}gr.")
print(f"{(eat_food / food * 100):.2f}% of the food has been eaten.")
print(f"{(dog_food / eat_food * 100):.2f}% eaten from the dog.")
print(f"{(cat_food / eat_food * 100):.2f}% eaten from the cat.")