minutes_walking = int(input())
number_of_walkings_per_day = int(input())
calories_intake_by_cat = int(input())

minutes_walking_per_day = minutes_walking * number_of_walkings_per_day
burned_calories_per_day = minutes_walking_per_day * 5
enough_calories_for_cat = calories_intake_by_cat * 0.5
if burned_calories_per_day >= enough_calories_for_cat:
    print(f"Yes, the walk for your cat is enough. Burned calories per day: {burned_calories_per_day}.")
else:
    print(f"No, the walk for your cat is not enough. Burned calories per day: {burned_calories_per_day}.")