import datetime as dt

date = dt.datetime(2015, 1, 1, 0, 0)

count = 0
for i in range(365):
    #print(date.month,list(map(int,list(str(date.day)))))
    if date.month==sum(list(map(int,list(str(date.day))))):
    	count+=1
    date += dt.timedelta(days=1)
print(count)