luggage tax (late jly exam)

width = int(input())
height = int(input())
depth = int(input())
ticket = input()
tax = 0
luggage = width * height * depth

if luggage < 50:
  tax = 0
else:
  if 50 <= luggage <= 100:
    if ticket == "true":
      tax = 0
    else:
      tax = 25
  elif 100 < luggage <= 200:
    if ticket == "true":
      tax = 10
    else:
      tax = 50
  elif 200 < luggage <= 300:
    if ticket == "true":
      tax = 20
    else:
      tax = 100

print(f"Luggage tax: {tax:.2f}")