# enter into an infinite loop
while True:

	# ask the user to answer a math question
	answer = int(input("What is 2+2? "))
	
	# did they get it right?
	if answer == 4:

		# congratulate the user
		print ("Correct!")
		
		# end the loop
		break
		
	# did they get it wrong?
	else:
		print ("Incorrect, try again")