def additionProblem(topNumber, bottomNumber):
  print("\n\n\n     ", topNumber, "+", bottomNumber, "= ", end = "") 
  userAnswer = int(input()) 
  
  theAnswer = topNumber + bottomNumber 
  if theAnswer == userAnswer: 
    print("      Correct!") 
  else:
    print("      Very good, but a better answer is", theAnswer)
# additionProblem ends here

# main program starts here  
additionProblem(8, 2) 
additionProblem(4, 8) 
additionProblem(3, 7) 
additionProblem(4, 10) 
additionProblem(11, 2)