import math

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

total = 0
dog = 0
cat = 0
biscuits = 0
for i in range(1,days+1):
    food_eaten_by_dog = int(input())
    dog += food_eaten_by_dog
    food_eaten_by_cat = int(input())
    cat += food_eaten_by_cat
    total += food_eaten_by_cat + food_eaten_by_dog
    if i%3 == 0:
        biscuits += round(((food_eaten_by_cat + food_eaten_by_dog) * 0.10))

print(f'Total eaten biscuits: {biscuits}gr.')
print(f'{total/food*100:.2f}% of the food has been eaten.')
print(f'{dog/total*100:.2f}% eaten from the dog.')
print(f'{cat/total*100:.2f}% eaten from the cat.')