SQL Server 2012 :: Compare Tables With Count?

using below script to compare two tables and get the values.

how to get the count of 'Table A' , 'Table B' , 'Table A & Table B' using below script.

Ex:
'Table A' -- 150
'Table B' -- 300
'Table A & Table B' -- 150
SELECT
Col1 = ISNULL(a.name,b.name),
Col2 =
CASE
WHEN ISNULL(a.name,'') = '' THEN 'Table B'
WHEN ISNULL(b.name,'') = '' THEN 'Table A'
ELSE 'Table A & Table B'
END
FROM #tableA a
FULL JOIN #tableB b
ON a.name = b.name;