06. Pets

#06. Pets
import math
days = int(input())
food_kg = int(input())
dog_food = float(input())
cat_food = float(input())
turtle_food = float(input())
dog = dog_food * days
cat = cat_food * days
turtle = (turtle_food * days) / 1000

all_food = dog + cat + turtle

if all_food <= food_kg:
    end_food = food_kg -all_food
    print(f"{math.trunc(end_food)} kilos of food left.")
elif all_food > food_kg:
    end_food = all_food - food_kg
    print(f"{math.ceil(end_food)} more kilos of food are needed.")