from datetime import date
from dateutil.rrule import rrule, DAILY

a = date(2015, 1, 1)
b = date(2015, 12, 31)

ans=0

for dt in rrule(DAILY, dtstart=a, until=b):
    m=int(dt.strftime('%m'))
    d=int(dt.strftime('%d') ) 
    dsum=sum( [int(x) for x in list(str(d))])
    if m==dsum:
#        print(m,d)
        ans+=1
print(ans)