Week no return starting to date against year

[silambarasan.J]

Dear Forum Leader,

Week number extract starting to end date corresponding to the year.(Financial calendar)

I am apply the following formula but return the date wrongly.

E2=MAX(DATE(RIGHT(B3,2),1,1),DATE(RIGHT(B3,2),1,1)-WEEKDAY(DATE(RIGHT(B3,2),1,1),2)+(C3-1)*7+1)

YEAR*****WEEKNO**RESULT FORMULA O END DATE

****20/03/2017 **** 17/12/1917
Apr-17*****51 ****26/03/2017 **** 23/12/1917