import math
def calculate_area(A, B, C, D, E):
area_A = A * B
area_B = C * D
area_C = 0.5 * D * E
total_area = area_A + area_B + area_C
return total_area
A, B, C, D, E = None, None, None, None, None
while A is None:
try:
A = int(input("Enter side A: "))
except ValueError:
print("Invalid input. Please enter a whole number.")
while B is None:
try:
B = int(input("Enter side B: "))
except ValueError:
print("Invalid input. Please enter a whole number.")
while C is None:
try:
C = int(input("Enter side C: "))
except ValueError:
print("Invalid input. Please enter a whole number.")
while D is None:
try:
D = int(input("Enter side D: "))
except ValueError:
print("Invalid input. Please enter a whole number.")
while E is None:
try:
E = int(input("Enter side E: "))
except ValueError:
print("Invalid input. Please enter a whole number.")
area = calculate_area(A, B, C, D, E)
print(f"Room Area: {area:.1f}")
A, B, C, D, E = 600, 550, 700, 800, 900
area = calculate_area(A, B, C, D, E)
print(f"Room Area: {area:.1f}")
A, B, C, D, E = 1, 2, 3, 4, 5
area = calculate_area(A, B, C, D, E)
print(f"Room Area: {area:.1f}")
