'Raw Data'!C3,'Raw Data'!E3,'Raw Data'!G3,'Raw Data'!I3,'Raw Data'!K3,'Raw Data'!M3,'Raw Data'!O3,'Raw Data'!Q3,'Raw Data'!S3,'Raw Data'!U3,'Raw Data'!W3,'Raw Data'!Y3,'Raw Data'!AA3,'Raw Data'!AC3,'Raw Data'!AE3,'Raw Data'!AG3,'Raw Data'!AI3, 'Raw Data'!AK3, 'Raw Data'!AM3, 'Raw Data'!AO3, 'Raw Data'!AQ3, 'Raw Data'!AS3, 'Raw Data'!AU3, 'Raw Data'!AW3, 'Raw Data'!AY3, 'Raw Data'!BA3, 'Raw Data'!BC3, 'Raw Data'!BE3, 'Raw Data'!BG3, 'Raw Data'!BI3, 'Raw Data'!BK3, 'Raw Data'!BM3, 'Raw Data'!BO3, 'Raw Data'!BQ3, 'Raw Data'!BS3, 'Raw Data'!BU3, 'Raw Data'!BW3, 'Raw Data'!BY3, 'Raw Data'!CA3, 'Raw Data'!CC3, 'Raw Data'!CE3, 'Raw Data'!CG3, 'Raw Data'!CI3, 'Raw Data'!CK3, 'Raw Data'!CM3, 'Raw Data'!CO3, 'Raw Data'!CQ3, 'Raw Data'!CS3, 'Raw Data'!CU3, 'Raw Data'!CW3, 'Raw Data'!CY3, 'Raw Data'!DA3,

I thought by changing the formula to the below, it would work, but it didn't. What has to be changed in the formula to sum the cells I need?

Thank you!

=SUMPRODUCT((MOD(COLUMN('Raw Data'!C3:DA3)-COLUMN('Raw Data'!C3),2)=0)+0,'Raw Data'!C3:DA3)