while 1:

	print("choose an option:")
	print("1 - area circulo")
	print("2 - area rectangulo")
    print("write stop to close")
	option = input()


	if option == "1":	
		radio= int(input("Enter the radius of the circle:"))
		pi=3.14
		area = pi*(radio**2)
		print("The area of the circle""is: ",area)
		
	elif option == "2":
		lado = int(input("Enter the length of the side:"))
		base = int(input("Enter the length of the other side:"))
		area = lado*base 
		print("The area of the rectangle is: ",area)
		
	elif option=="stop":
		break
	else:
		print("not a figure")