Counting Consecutive entries

so the result I want is
for Feb 1,2,3 or any day there is a value other than zero in the 2nd column the result in the 3rd column should be 0
I want the result to be the consecutive days without smoking

I think when I pasted the chart in a new sheet to attach it here it got the columns wrong

the formula I am using is counting consecutive "Zero" results but when I add a new value it changes all the past results as well. I just want it to change that day's results