m_month = [2, 4, 6, 9, 11]
sum = 0

for i in range(1, 13):
    if(i in m_month):
        max = 30
    else:
        max = 31
    for a in range(0, 4):
        for b in range(0, 10):
            if(((a+b) > i) or (a*10+b) > max):
                continue
            if(((a+b) == i)):
                sum += 1

print(sum)