print("=== Shapes Program ===")
print("1. Rectangle")
print("2. Square")

choice = input("Choose a shape (1-4): ")

elif choice == "1":
    length = float(input("Enter the length: "))
    width = float(input("Enter the width: "))
    area = length * width
    print("Area of the rectangle =", area)

elif choice == "2":
    side = float(input("Enter the side length: "))
    area = side * side
    print("Area of the square =", area)

else:
    print("Invalid choice. Please run the program again.")