def happydaychecker(x,y)->bool:
    return x-(y//10+y%10) == 0
dayss = []
for i in range(1,13):
    for j in range(1,32):
        dayss.append((i,j))
NSDD = [(2,29),(2,30),(2,31),(4,31),(6,31),(9,31),(11,31)]
days = list(filter(lambda x: x not in NSDD,dayss))
counter = 0
for n in range(365):
        if happydaychecker(*days[n]) == True:
            counter +=1
print(counter)