PB - Python - May 2021 - Programming Basics Online Exam - 6 and 7 July 2019 - 04. Renovation

import math

h = int(input())
w = int(input())
no_painting_rate = 1 - int(input()) / 100

area = 4 * h * w

area_to_paint = area * no_painting_rate
area_covered = 0
total_paint = 0
paint = 0


paint = input()
while not paint == "Tired!":
    paint = int(paint)

    area_covered += paint

    if area_covered >= area_to_paint:
        break

    paint = input()

difference = math.ceil(abs(area_covered - area_to_paint))

if paint == "Tired!":
    print(f"{difference} quadratic m left.")
elif area_covered > area_to_paint:
    print(f"All walls are painted and you have {difference} l paint left!")
else:
    print(f'All walls are painted! Great job, Pesho!')