def is_lucky(number):
    _number_array = list(str(number))
    check_number = ''
    is_lucky = True
    while _number_array:
        _next_digit = _number_array.pop()
        check_number = _next_digit + check_number
        if int(check_number) % len(check_number) != 0:
            is_lucky = False
    return is_lucky

count = 0
for i in range(100, 999):
    if is_lucky(i):
        count += 1

print count