Count rows from 2 columns when sum between 2 cells is non-zero in Excel

I want to count the rows when sum between cells of C and D columns is non-zero (i.e. greater than 0). As shown in image, I want to calculate value using formula which should be 3.
I tried countif and countifs formula, but not giving expected result.

Any help would be appreciated.

>Solution :

Try:

=SUM(N(MMULT(C2:D5,{1,1})>0))