Concatenate Numbers With Comma If 2 Other Conditions Are Met?

I need a formula (a VBA script won't work, as it also has to work in a google docs version) that concatenates numbers taken from a specific range in a single row with ", " in between, but only if 2 conditions in the particular column those numbers are in are matched.

Let's say, my numbers are in Row 1, from B1 to N1.

My conditional values are in Rows 5 and 6 respectively, also from B to N.

Values in Row 5 are text strings (Names of people), Values in Row 6 are Dates.

I want the numbers from Row 1 to be concatenated, but only if a particular Name and a date from a specific month are in the same column.

Row 1: 1 2 3
Row 5: Name Name Name
Row 6: Date in Feb, Date in March, Date in March

Upon selection of a month and name in a dropdown cell menu, i want the output to look like this:

Name+March -> 2, 3
Name+February -> 1