15

def f(x, a):
    return (a % 9 == 0) and ((280 % x == 0) <= ((a % x != 0) <= (730 % x != 0)))


c: int = 0
for a in range(1, 1001):
    fl = True
    for x in range(1, 1001):
        if not (f(x, a)):
            fl = False
            break
    if fl:
        c += 1
print(c)