days= int(input())
total_food= float(input())
biscuits= 0
totally_eaten_from_dog= 0
totally_eaten_from_cat= 0
for daily_eaten in range (1, days +1):
    eaten_from_dog= int(input())
    eaten_from_cat= int(input())
    if daily_eaten % 3 == 0:
        biscuits += (eaten_from_cat+eaten_from_dog) *0.1
    totally_eaten_from_cat += eaten_from_cat
    totally_eaten_from_dog += eaten_from_dog
print(f"Total eaten biscuits: {round(biscuits)}gr.")
print(f"{((totally_eaten_from_dog+totally_eaten_from_cat)/total_food*100):.2f}% of the food has been eaten.")
print(f"{(totally_eaten_from_dog/(totally_eaten_from_cat+totally_eaten_from_dog)*100):.2f}% eaten from the dog.")
print(f"{(totally_eaten_from_cat/(totally_eaten_from_cat+totally_eaten_from_dog)*100):.2f}% eaten from the cat.")