How to count >=3 in row in Grid with asp.net c#

Question

Teamname	AgentName	Trans	2017-06-01	2017-06-02	2017-06-03	2017-06-05	2017-06-06	2017-06-07	>=3 Count
Shweta Yadav	Goldy Pahawa	13	1	0	3	3	1	5
Ritika Aggarwal	Soniya Rajput	9	1	1	2	1	2	2
Geetanjali sharma	Anuj Shree Poddar	9	0	0	2	2	3	2
Joy John Dysel	Jyoti Tyagi	8	1	0	2	1	2	2
Ritika Aggarwal	Rahul Kumar10	8	1	1	1	1	1	3
Kalpna Verma	Vartika Pathak	7	0	2	1	2	1	1

 

in this grid there is a column >=3 I just want to count no >=3 in particular row in c#. how to do so.