Default Need help with "random question captcha"

Everyone probably knows the answer so feel free to have a laugh on me. I just purchased a new car and I am trying to register on its forum, MyHyundai forum. To complete their registration which requires I answer a random question and this is different from others I have seen. Can anyone answer this," .....4teEn..... (+) tHrEe is...?" Good luck.

UPDATE: I figured it out. I only needed to leave it alone ahen come back to it 14+3=17. So easy , could not see the trees for the forest. LOL
Asus Transformer Infinity TF700T-CROMBi-kk 4.4.2
Nexus 7 2nd gen 32gb
Ouya (rooted)
Nothing left in my right brain, nothing right in my left brain