Looking for formula that can count month

[queencode]

Hello, I'm new in excel formula and I stack to get it.
I want to looking for formula that can count month of one year.

For example:
Input : 30-05-2014
Output : 8
get 8 from May, June, July, Aug, Sept, Oct, Nov, Dec => 8 month left of 2014 year
Sample:

input	output
30-05-2014	8

How to write the formula?
Many appreciate who can help me.

[Teethless mama]

=12-month(a1)+1

[queencode]

=12-month(a1)+1

Thank you mama, in short way =13-MONTH(A1)