Chef and Vaccine

Chef is given a responsibility of supplying Vaccine to a city for next $N$ days. Each day , city wants a particular amount of vaccines to cope up with pandemic rate.Let the number of vaccine required on day $i$ by $A_i$.The problem is that on each day if chef cannot supply vaccine to the city then depending on severity he has to pay fine for each vaccine which couldnot be supplied. Array $A$ are t