I am new to R language , i want to know how to convert or equivalent formula of COUNTIFS in R?

I have around 6035 rows in excel applying the formula in excel i.e =IF(F3="",0,COUNTIFS(A:A,A3,E:E,F3)) make it the results time consuming. So, started learning R and but now unable to write the excel formulae equivalent in R. Please Help! Attaching image of excel