number_days = int(input())
total_food = float(input())
sum_dog_food = 0
sum_cat_food = 0
bisquits = 0
food_per_day = 0
for i in range(1, number_days +1):
    dog_food = float(input())
    sum_dog_food += dog_food
    cat_food = float(input())
    sum_cat_food += cat_food
    food_per_day = dog_food + cat_food
    if i % 3 == 0:
        bisquits += 0.1 * (food_per_day)
        print(f"Total eaten biscuits: {bisquits:.0f}gr.")
        print(f"{((sum_dog_food + sum_cat_food)/total_food*100):.2f}% of the food has been eaten.")
        print(f"{(sum_dog_food/(sum_cat_food + sum_dog_food)*100):.2f}% eaten from the dog.")
        print(f"{(sum_cat_food / (sum_dog_food + sum_cat_food) * 100):.2f}% eaten from the cat.")