My December

IMPORTANT! To be able to proceed, you need to solve the following simple math (so we know that you are a human) :-)
为了防止机器人垃圾评论,需要填写下面的罗马数字,我已经准备好了,1-10的罗马数字,够用了.
1-i , 2-ii , 3-iii , 4-iv , 5-v , 6-vi , 7-vii , 8-viii , 9-ix , 10-x

5 + 4 = ?

Please leave these two fields as-is: